diff --git a/app/tools/gimpseamlesscloneoptions.c b/app/tools/gimpseamlesscloneoptions.c
index 6e6971286e..3589cbabae 100644
--- a/app/tools/gimpseamlesscloneoptions.c
+++ b/app/tools/gimpseamlesscloneoptions.c
@@ -27,6 +27,7 @@
 
 #include "tools-types.h"
 
+#include "widgets/gimppropwidgets.h"
 #include "widgets/gimpspinscale.h"
 
 #include "gimpseamlesscloneoptions.h"