diff --git a/Engine/source/T3D/convexShape.cpp b/Engine/source/T3D/convexShape.cpp
index 1034c474f..7b12949ec 100644
--- a/Engine/source/T3D/convexShape.cpp
+++ b/Engine/source/T3D/convexShape.cpp
@@ -211,7 +211,7 @@ bool ConvexShape::protectedSetSurface( void *object, const char *index, const ch
    Point2F offset;
    Point2F scale;
    F32 rot = 0;
-   bool horz = true, vert = true;
+   S32 horz = 1, vert = 1;
 
 	/*
    dSscanf( data, "%g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %g",