diff --git a/4ed_os_comp_cracking.h b/4ed_os_comp_cracking.h
index e7c43797..9be66712 100644
--- a/4ed_os_comp_cracking.h
+++ b/4ed_os_comp_cracking.h
@@ -44,8 +44,10 @@
 
 # if defined(__gnu_linux__) /* OS */
 #  define IS_LINUX
+#  define CALL_CONVENTION
 # elif defined(__APPLE__) && defined(__MACH__) /* OS */
 #  define IS_MAC
+#  define CALL_CONVENTION
 #else
 #  error This compiler/platform combo is not supported yet
 # endif
diff --git a/platform_mac/mac_error_box.cpp b/platform_mac/mac_error_box.cpp
index a1e53910..26b8b2ed 100644
--- a/platform_mac/mac_error_box.cpp
+++ b/platform_mac/mac_error_box.cpp
@@ -11,7 +11,7 @@
 
 internal void
 system_error_box(char *msg, b32 shutdown = true){
-    osx2_error_dialogue(msg);
+    osx_error_dialogue(msg);
     if (shutdown){
         exit(1);
     }