diff --git a/.github/workflows/compiler-output-check.yaml b/.github/workflows/compiler-output-check.yaml
index 7daab005d..969ed247c 100644
--- a/.github/workflows/compiler-output-check.yaml
+++ b/.github/workflows/compiler-output-check.yaml
@@ -29,8 +29,8 @@ jobs:
         uses: hendrikmuhs/ccache-action@v1.2.14
         with:
           variant: sccache
-          key: linux-ubuntu-20.04--Release-linux-clang-asan-${{ github.sha }}
-          restore-keys: linux-ubuntu-20.04--Release-linux-clang-asan
+          key: linux-ubuntu-20.04--Release-linux-clang-static-${{ github.sha }}
+          restore-keys: linux-ubuntu-20.04--Release-linux-clang-static
           max-size: 1000M
 
       - name: CMake Generation (master)
@@ -38,7 +38,7 @@ jobs:
           CC: clang
           CXX: clang++
         run: |
-          cmake -B build --preset=Release-linux-clang-asan \
+          cmake -B build --preset=Release-linux-clang-static \
             -DCMAKE_C_COMPILER_LAUNCHER=sccache \
             -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
 
@@ -57,7 +57,7 @@ jobs:
           CC: clang
           CXX: clang++
         run: |
-          cmake -B build --preset=Release-linux-clang-asan \
+          cmake -B build --preset=Release-linux-clang-static \
             -DCMAKE_C_COMPILER_LAUNCHER=sccache \
             -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
 
diff --git a/common/repl/config.h b/common/repl/config.h
index ff1857be7..c0a5334ff 100644
--- a/common/repl/config.h
+++ b/common/repl/config.h
@@ -49,6 +49,7 @@ struct Config {
       {KeyBind::Modifier::CTRL, "N", "Full build of the game", "(mi)"}};
   bool per_game_history = true;
   bool permissive_redefinitions = false;
+  std::string iso_path;
 
   int get_nrepl_port() {
     if (temp_nrepl_port != -1) {
diff --git a/common/repl/repl_wrapper.cpp b/common/repl/repl_wrapper.cpp
index fd2b517de..d85be66fd 100644
--- a/common/repl/repl_wrapper.cpp
+++ b/common/repl/repl_wrapper.cpp
@@ -43,6 +43,15 @@ void Wrapper::print_welcome_message(const std::vector<std::string>& loaded_proje
       fmt::format("  Project Path: {}\n",
                   fmt::format(fg(fmt::color::gray), file_util::get_jak_project_dir().string()));
   message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "  -       :===:       -");
+  std::string effective_iso_path;
+  if (repl_config.iso_path.empty()) {
+    effective_iso_path = file_util::get_file_path({"iso_data"});
+  } else {
+    effective_iso_path = repl_config.iso_path;
+  }
+  message +=
+      fmt::format("  ISO Data Path: {}\n", fmt::format(fg(fmt::color::gray), effective_iso_path));
+  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "  --.   .--: :--.   .--");
   message += "  nREPL:";
   if (!nrepl_alive) {
     message += fmt::format(fg(fmt::color::red), "DISABLED\n");
@@ -50,22 +59,21 @@ void Wrapper::print_welcome_message(const std::vector<std::string>& loaded_proje
     message += fmt::format(fg(fmt::color::light_green), " Listening on {}\n",
                            repl_config.get_nrepl_port());
   }
-  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "  --.   .--: :--.   .--");
+  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "  .=======.    =======.");
   message += "  Source File Search Dirs: ";
   const auto search_dir_string =
       fmt::format("{}", fmt::join(repl_config.asm_file_search_dirs, ","));
   message += fmt::format("[{}]\n", fmt::format(fg(fmt::color::gray), search_dir_string));
-  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "  .=======.    =======.");
-  message += fmt::format("  {} or {} for basic help and usage\n",
+  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "   .-=====-. .-=====-");
+  message += fmt::format("    {} or {} for basic help and usage\n",
                          fmt::format(fg(fmt::color::cyan), "(repl-help)"),
                          fmt::format(fg(fmt::color::cyan), "(repl-keybinds)"));
-  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "   .-=====-. .-=====-");
-  message +=
-      fmt::format("    {} to connect to the game\n", fmt::format(fg(fmt::color::cyan), "(lt)"));
   message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "     .-===========-.");
-  message += fmt::format("     {} to recompile the active project.\n",
+  message +=
+      fmt::format("     {} to connect to the game\n", fmt::format(fg(fmt::color::cyan), "(lt)"));
+  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "         .-===-.");
+  message += fmt::format("         {} to recompile the active project.\n",
                          fmt::format(fg(fmt::color::cyan), "(mi)"));
-  message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "         .-===-.\n");
   message += fmt::format(fmt::emphasis::bold | fg(fmt::color::orange), "            .\n");
   fmt::print("{}", message);
 }
diff --git a/goalc/main.cpp b/goalc/main.cpp
index c5ec7c8d3..77fe79bfb 100644
--- a/goalc/main.cpp
+++ b/goalc/main.cpp
@@ -37,6 +37,7 @@ int main(int argc, char** argv) {
   std::string game = "jak1";
   int nrepl_port = -1;
   fs::path project_path_override;
+  fs::path iso_path_override;
 
   // TODO - a lot of these flags could be deprecated and moved into `repl-config.json`
   CLI::App app{"OpenGOAL Compiler / REPL"};
@@ -49,6 +50,7 @@ int main(int argc, char** argv) {
   app.add_option("-g,--game", game, "The game name: 'jak1' or 'jak2'");
   app.add_option("--proj-path", project_path_override,
                  "Specify the location of the 'data/' folder");
+  app.add_option("--iso-path", iso_path_override, "Specify the location of the 'iso_data/' folder");
   define_common_cli_arguments(app);
   app.validate_positionals();
   CLI11_PARSE(app, argc, argv);
@@ -84,6 +86,16 @@ int main(int argc, char** argv) {
   // Load the user's REPL config
   auto repl_config = REPL::load_repl_config(username, game_version, nrepl_port);
 
+  // Check for a custom ISO path before we instantiate the compiler.
+  if (!iso_path_override.empty()) {
+    if (!fs::exists(iso_path_override)) {
+      lg::error("Error: iso path override '{}' does not exist", iso_path_override.string());
+      return 1;
+    }
+    file_util::set_iso_data_dir(iso_path_override);
+    repl_config.iso_path = iso_path_override.string();
+  }
+
   // Init Compiler
   std::unique_ptr<Compiler> compiler;
   std::mutex compiler_mutex;
diff --git a/goalc/make/MakeSystem.cpp b/goalc/make/MakeSystem.cpp
index 982e8e3dd..dfa29b7d0 100644
--- a/goalc/make/MakeSystem.cpp
+++ b/goalc/make/MakeSystem.cpp
@@ -91,8 +91,14 @@ MakeSystem::MakeSystem(const std::optional<REPL::Config> repl_config, const std:
 
   m_goos.set_global_variable_to_symbol("ASSETS", "#t");
 
-  set_constant("*iso-data*", file_util::get_file_path({"iso_data"}));
-  set_constant("*use-iso-data-path*", false);
+  if (m_repl_config && !m_repl_config->iso_path.empty()) {
+    set_constant("*iso-data*",
+                 file_util::get_iso_dir_for_game(m_repl_config->game_version).string());
+    set_constant("*use-iso-data-path*", true);
+  } else {
+    set_constant("*iso-data*", file_util::get_file_path({"iso_data"}));
+    set_constant("*use-iso-data-path*", false);
+  }
 
   add_tool<DgoTool>();
   add_tool<TpageDirTool>();
diff --git a/goalc/make/MakeSystem.h b/goalc/make/MakeSystem.h
index cba37ebf7..1eef3174b 100644
--- a/goalc/make/MakeSystem.h
+++ b/goalc/make/MakeSystem.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "common/goos/Interpreter.h"
+#include "common/util/FileUtil.h"
 
 #include "goalc/make/Tool.h"