diff --git a/src/gdisp/gdisp.c b/src/gdisp/gdisp.c
index 2ac55f1b..9f3ff11b 100644
--- a/src/gdisp/gdisp.c
+++ b/src/gdisp/gdisp.c
@@ -1415,7 +1415,7 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
 			if (full & 0x30) { g->p.x = x-a; g->p.y = y+b; drawpixel_clip(g); }
 			if (full == 0xFF) {
 				autoflush(g);
-				MUTEX_EXIT();
+				MUTEX_EXIT(g);
 				return;
 			}
 		}
diff --git a/src/gwin/radio.c b/src/gwin/radio.c
index 8dc3ba6b..0ae5546a 100644
--- a/src/gwin/radio.c
+++ b/src/gwin/radio.c
@@ -21,7 +21,7 @@
 
 #include "src/gwin/class_gwin.h"
 
-#define GRADIO_TAB_CNR			3		// Diagonal corner on active tab
+#define GRADIO_TAB_CNR			8		// Diagonal corner on active tab
 #define GRADIO_TOP_FADE			50		// (GRADIO_TOP_FADE/255)% fade to white for top of tab/button
 #define GRADIO_BOTTOM_FADE		25		// (GRADIO_BOTTOM_FADE/255)% fade to black for bottom of tab/button
 #define GRADIO_OUTLINE_FADE		128		// (GRADIO_OUTLINE_FADE/255)% fade to background for active tab edge