diff --git a/src/llvm_backend_opt.cpp b/src/llvm_backend_opt.cpp
index 6b80b21d6..e2f51b868 100644
--- a/src/llvm_backend_opt.cpp
+++ b/src/llvm_backend_opt.cpp
@@ -62,7 +62,9 @@ void lb_basic_populate_function_pass_manager(LLVMPassManagerRef fpm, i32 optimiz
 		LLVMAddPromoteMemoryToRegisterPass(fpm);
 		LLVMAddMergedLoadStoreMotionPass(fpm);
 		LLVM_ADD_CONSTANT_VALUE_PASS(fpm);
-		LLVMAddEarlyCSEPass(fpm);
+		if (!build_context.ODIN_DEBUG) {
+			LLVMAddEarlyCSEPass(fpm);
+		}
 	}
 }