diff --git a/sc2/src/regex/regex.h b/sc2/src/regex/regex.h
index b2d9a62fe..c2995083b 100644
--- a/sc2/src/regex/regex.h
+++ b/sc2/src/regex/regex.h
@@ -24,6 +24,9 @@
 
 #include <sys/types.h>
 
+/* Added for UQM */
+#include "port.h"
+
 /* Allow the use in C++ code.  */
 #ifdef __cplusplus
 extern "C" {