diff --git a/src/Tk/tkImaging.c b/src/Tk/tkImaging.c
index 68afb988a4c..9b4b1d8f50c 100644
--- a/src/Tk/tkImaging.c
+++ b/src/Tk/tkImaging.c
@@ -365,7 +365,7 @@ load_tkinter_funcs(void) {
     } else if (found_tk != 1) {
         PyErr_SetString(PyExc_RuntimeError, "Could not find Tk routines");
     }
-    return int((found_tcl != 1) && (found_tk != 1));
+    return (int) ((found_tcl != 1) && (found_tk != 1));
 }
 
 #else /* not Windows */