diff --git a/app/gimprc.c b/app/gimprc.c
index accfef0579..7515aaa315 100644
--- a/app/gimprc.c
+++ b/app/gimprc.c
@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
+#include <errno.h>
 #include <sys/stat.h>
 
 #include "appenv.h"