diff --git a/src/common/platform/posix/cocoa/i_system.mm b/src/common/platform/posix/cocoa/i_system.mm
index 8d3b5e1526..cef2d177b6 100644
--- a/src/common/platform/posix/cocoa/i_system.mm
+++ b/src/common/platform/posix/cocoa/i_system.mm
@@ -32,6 +32,7 @@
  */
 
 #include "i_common.h"
+#include "c_cvars.h"
 
 #include <fnmatch.h>
 #include <sys/sysctl.h>