diff --git a/pandatool/src/flt/fltVertex.I b/pandatool/src/flt/fltVertex.I
index 805f0fb931..c0ce7b9cca 100644
--- a/pandatool/src/flt/fltVertex.I
+++ b/pandatool/src/flt/fltVertex.I
@@ -12,5 +12,5 @@
 ////////////////////////////////////////////////////////////////////
 INLINE bool FltVertex::
 has_color() const {
-  return (_flags & F_no_color) != 0;
+  return (_flags & F_no_color) == 0;
 }