diff --git a/plug-ins/script-fu/interp_regex.c b/plug-ins/script-fu/interp_regex.c
index 201eaad9b8..21719c5856 100644
--- a/plug-ins/script-fu/interp_regex.c
+++ b/plug-ins/script-fu/interp_regex.c
@@ -1,3 +1,4 @@
+#include <sys/types.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/plug-ins/script-fu/siod/regex.c b/plug-ins/script-fu/siod/regex.c
index 201eaad9b8..21719c5856 100644
--- a/plug-ins/script-fu/siod/regex.c
+++ b/plug-ins/script-fu/siod/regex.c
@@ -1,3 +1,4 @@
+#include <sys/types.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>