diff --git a/src/posix/unix/i_specialpaths.cpp b/src/posix/unix/i_specialpaths.cpp
index 6a17e1318..5dedba057 100644
--- a/src/posix/unix/i_specialpaths.cpp
+++ b/src/posix/unix/i_specialpaths.cpp
@@ -36,6 +36,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include "i_system.h"
+#include "cmdlib.h"
 
 #include "version.h"	// for GAMENAME