diff --git a/source/blender/src/glutil.c b/source/blender/src/glutil.c
index 3177be9d9b8..568c660208c 100644
--- a/source/blender/src/glutil.c
+++ b/source/blender/src/glutil.c
@@ -143,7 +143,7 @@ void fdrawXORcirc(float xofs, float yofs, float rad)
 
 	glPushMatrix();
 	glTranslatef(xofs, yofs, 0.0);
-	glutil_draw_lined_arc(0.0, M_PI*2.1, rad, 20);
+	glutil_draw_lined_arc(0.0, M_PI*2.0, rad, 20);
 	glPopMatrix();
 
 	set_inverted_drawing(0);
diff --git a/source/blender/src/interface_draw.c b/source/blender/src/interface_draw.c
index 6e671d36610..b93658c7a00 100644
--- a/source/blender/src/interface_draw.c
+++ b/source/blender/src/interface_draw.c
@@ -1612,7 +1612,7 @@ static void ui_draw_but_HSVCUBE(uiBut *but)
 	CLAMP(x, but->x1+3.0, but->x2-3.0);
 	CLAMP(y, but->y1+3.0, but->y2-3.0);
 	
-	fdrawXORcirc(x, y, 3.0);
+	fdrawXORcirc(x, y, 3.1);
 
 	/* outline */
 	glColor3ub(0,  0,  0);