1 files changed, 1 insertions, 0 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp
index 7b481f7c21..a0fd984740 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -9269,6 +9269,7 @@ void add_cc_args(CodeGen *g, ZigList<const char *> &args, const char *out_dep_pa
         case BuildModeDebug:
             // windows c runtime requires -D_DEBUG if using debug libraries
             args.append("-D_DEBUG");
+            args.append("-Og");
 
             if (g->libc_link_lib != nullptr) {
                 args.append("-fstack-protector-strong");