1 files changed, 2 insertions, 1 deletions
diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index f5abebbebd5..4a895472b33 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -34,6 +34,7 @@
 #ifndef UI_INTERFACE_H
 #define UI_INTERFACE_H
 
+#include "BLO_sys_types.h" /* size_t */
 #include "RNA_types.h"
 #include "DNA_userdef_types.h"
 
@@ -576,7 +577,7 @@ void uiButSetFocusOnEnter	(struct wmWindow *win, uiBut *but);
 
 typedef struct AutoComplete AutoComplete;
 
-AutoComplete *autocomplete_begin(const char *startname, int maxlen);
+AutoComplete *autocomplete_begin(const char *startname, size_t maxlen);
 void autocomplete_do_name(AutoComplete *autocpl, const char *name);
 void autocomplete_end(AutoComplete *autocpl, char *autoname);