diff --git a/dvx/dvxApp.c b/dvx/dvxApp.c
index f1cba76..93dcc12 100644
--- a/dvx/dvxApp.c
+++ b/dvx/dvxApp.c
@@ -840,12 +840,12 @@ static void drawPopupLevel(AppContextT *ctx, DisplayT *d, const BlitOpsT *ops, c
                 drawVLine(d, ops, cx + 2, cy - 1, 2, fg);
                 drawVLine(d, ops, cx + 3, cy - 2, 2, fg);
             } else if (item->type == MenuItemRadioE) {
-                // Filled circle bullet (5x5)
-                drawHLine(d, ops, cx - 1, cy - 2, 3, fg);
-                drawHLine(d, ops, cx - 2, cy - 1, 5, fg);
+                // Filled diamond bullet (5x5)
+                drawHLine(d, ops, cx,     cy - 2, 1, fg);
+                drawHLine(d, ops, cx - 1, cy - 1, 3, fg);
                 drawHLine(d, ops, cx - 2, cy,     5, fg);
-                drawHLine(d, ops, cx - 2, cy + 1, 5, fg);
-                drawHLine(d, ops, cx - 1, cy + 2, 3, fg);
+                drawHLine(d, ops, cx - 1, cy + 1, 3, fg);
+                drawHLine(d, ops, cx,     cy + 2, 1, fg);
             }
         }
 
diff --git a/dvx/widgets/widgetRadio.c b/dvx/widgets/widgetRadio.c
index b88b65d..4f2e5de 100644
--- a/dvx/widgets/widgetRadio.c
+++ b/dvx/widgets/widgetRadio.c
@@ -175,19 +175,45 @@ void widgetRadioPaint(WidgetT *w, DisplayT *d, const BlitOpsT *ops, const Bitmap
     uint32_t bg  = w->bgColor ? w->bgColor : colors->contentBg;
     int32_t boxY = w->y + (w->h - CHECKBOX_BOX_SIZE) / 2;
 
-    // Draw radio box
-    BevelStyleT bevel;
-    bevel.highlight = colors->windowShadow;
-    bevel.shadow    = colors->windowHighlight;
-    bevel.face      = bg;
-    bevel.width     = 1;
-    drawBevel(d, ops, w->x, boxY, CHECKBOX_BOX_SIZE, CHECKBOX_BOX_SIZE, &bevel);
+    // Draw diamond-shaped radio box
+    int32_t bx  = w->x;
+    int32_t mid = CHECKBOX_BOX_SIZE / 2;
+    uint32_t hi = colors->windowShadow;
+    uint32_t sh = colors->windowHighlight;
 
-    // Draw filled dot if selected
+    // Fill interior
+    for (int32_t i = 0; i < CHECKBOX_BOX_SIZE; i++) {
+        int32_t dist  = i < mid ? i : CHECKBOX_BOX_SIZE - 1 - i;
+        int32_t left  = mid - dist;
+        int32_t right = mid + dist;
+
+        if (right > left) {
+            drawHLine(d, ops, bx + left + 1, boxY + i, right - left - 1, bg);
+        }
+    }
+
+    // Diamond border — upper-left edges get highlight, lower-right get shadow
+    for (int32_t i = 0; i < mid; i++) {
+        int32_t left  = mid - i;
+        int32_t right = mid + i;
+        drawHLine(d, ops, bx + left, boxY + i, 1, hi);
+        drawHLine(d, ops, bx + right, boxY + i, 1, sh);
+    }
+
+    for (int32_t i = mid; i < CHECKBOX_BOX_SIZE; i++) {
+        int32_t left  = mid - (CHECKBOX_BOX_SIZE - 1 - i);
+        int32_t right = mid + (CHECKBOX_BOX_SIZE - 1 - i);
+        drawHLine(d, ops, bx + left, boxY + i, 1, hi);
+        drawHLine(d, ops, bx + right, boxY + i, 1, sh);
+    }
+
+    // Draw filled diamond if selected
     if (w->parent && w->parent->type == WidgetRadioGroupE &&
         w->parent->as.radioGroup.selectedIdx == w->as.radio.index) {
-        rectFill(d, ops, w->x + 3, boxY + 3,
-                 CHECKBOX_BOX_SIZE - 6, CHECKBOX_BOX_SIZE - 6, fg);
+        for (int32_t i = -2; i <= 2; i++) {
+            int32_t span = 3 - (i < 0 ? -i : i);
+            drawHLine(d, ops, bx + mid - span, boxY + mid + i, span * 2 + 1, fg);
+        }
     }
 
     int32_t labelX = w->x + CHECKBOX_BOX_SIZE + CHECKBOX_GAP;