diff --git a/griffin/griffin.c b/griffin/griffin.c
index 969f75f4d8..8c1bc8d5ca 100644
--- a/griffin/griffin.c
+++ b/griffin/griffin.c
@@ -69,6 +69,10 @@
 #include "../network/net_logger.c"
 #endif
 
+#if TARGET_OS_OSX
+#include "../ui/drivers/cocoa/ui_cocoa_application.c"
+#endif
+
 /*============================================================
 COMPATIBILITY
 ============================================================ */
diff --git a/griffin/griffin_objc.m b/griffin/griffin_objc.m
index dad5e96e12..aa7cd65111 100644
--- a/griffin/griffin_objc.m
+++ b/griffin/griffin_objc.m
@@ -39,7 +39,6 @@
 #if TARGET_OS_OSX
 #include "../ui/drivers/cocoa/ui_cocoa_window.m"
 #include "../ui/drivers/cocoa/ui_cocoa_browser_window.m"
-#include "../ui/drivers/cocoa/ui_cocoa_application.m"
 #include "../ui/drivers/cocoa/ui_cocoa_msg_window.m"
 #include "../ui/drivers/ui_cocoa.m"
 #endif
diff --git a/ui/drivers/cocoa/ui_cocoa_application.m b/ui/drivers/cocoa/ui_cocoa_application.c
similarity index 93%
rename from ui/drivers/cocoa/ui_cocoa_application.m
rename to ui/drivers/cocoa/ui_cocoa_application.c
index 26bd65fa59..865a22f356 100644
--- a/ui/drivers/cocoa/ui_cocoa_application.m
+++ b/ui/drivers/cocoa/ui_cocoa_application.c
@@ -19,11 +19,15 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include <objc/objc-runtime.h>
+#include <objc/objc.h>
+#include <objc/message.h>
+#include <objc/NSObjCRuntime.h>
 #include "cocoa_defines.h"
-#include "cocoa_common.h"
 #include "../../ui_companion_driver.h"
 
+extern id NSApp;
+extern id const NSDefaultRunLoopMode;
+
 static void* ui_application_cocoa_initialize(void)
 {
    return NULL;