diff -rup tk8.5.8_base/generic/tkMenubutton.c tk8.5.8/generic/tkMenubutton.c
--- tk8.5.8_base/generic/tkMenubutton.c	2009-04-10 12:07:56.000000000 -0400
+++ tk8.5.8/generic/tkMenubutton.c	2010-06-08 17:44:14.627079775 -0400
@@ -141,6 +141,12 @@ static const Tk_OptionSpec optionSpecs[]
     {TK_OPTION_STRING, "-width", "width", "Width",
 	DEF_MENUBUTTON_WIDTH, -1, Tk_Offset(TkMenuButton, widthString),
 	0, 0, 0},
+    {TK_OPTION_STRING, "-indwidth", "indWidth", "IndWidth",
+        DEF_MENUBUTTON_INDICATORWIDTH, -1, Tk_Offset(TkMenuButton, indicatorWidthString),
+        0, 0, 0},
+    {TK_OPTION_STRING, "-indheight", "indHeight", "IndHeight",
+        DEF_MENUBUTTON_INDICATORHEIGHT, -1, Tk_Offset(TkMenuButton, indicatorHeightString),
+        0, 0, 0},
     {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
 	DEF_MENUBUTTON_WRAP_LENGTH, -1, Tk_Offset(TkMenuButton, wrapLength),
 	0, 0, 0},
@@ -278,6 +284,8 @@ Tk_MenubuttonObjCmd(
     mbPtr->rightBearing = 0;
     mbPtr->widthString = NULL;
     mbPtr->heightString = NULL;
+    mbPtr->indicatorWidthString = NULL;
+    mbPtr->indicatorHeightString = NULL;
     mbPtr->width = 0;
     mbPtr->width = 0;
     mbPtr->wrapLength = 0;
@@ -287,8 +295,8 @@ Tk_MenubuttonObjCmd(
     mbPtr->justify = TK_JUSTIFY_CENTER;
     mbPtr->textLayout = NULL;
     mbPtr->indicatorOn = 0;
-    mbPtr->indicatorWidth = 0;
-    mbPtr->indicatorHeight = 0;
+    mbPtr->indWidthStore = 0;
+    mbPtr->indHeightStore = 0;
     mbPtr->direction = DIRECTION_FLUSH;
     mbPtr->cursor = None;
     mbPtr->takeFocus = NULL;
@@ -593,6 +601,18 @@ ConfigureMenuButton(
 		Tcl_AddErrorInfo(interp, "\n    (processing -height option)");
 		continue;
 	    }
+            if (Tk_GetPixels(interp, mbPtr->tkwin, mbPtr->indicatorWidthString,
+                    &mbPtr->indWidthStore) != TCL_OK) {
+            indicatorWidthError:
+                Tcl_AddErrorInfo(interp, "\n    (processing -indicatorwidth option)");
+                continue;
+            }
+            if (Tk_GetPixels(interp, mbPtr->tkwin, mbPtr->indicatorHeightString,
+                    &mbPtr->indHeightStore) != TCL_OK) {
+            indicatorHeightError:
+                Tcl_AddErrorInfo(interp, "\n    (processing -indicatorheight option)");
+                continue;
+            }
 	} else {
 	    if (Tcl_GetInt(interp, mbPtr->widthString, &mbPtr->width)
 		    != TCL_OK) {
@@ -602,6 +622,14 @@ ConfigureMenuButton(
 		    != TCL_OK) {
 		goto heightError;
 	    }
+            if (Tcl_GetInt(interp, mbPtr->indicatorWidthString, &mbPtr->indWidthStore)
+                    != TCL_OK) {
+                goto indicatorWidthError;
+            }
+            if (Tcl_GetInt(interp, mbPtr->indicatorHeightString, &mbPtr->indHeightStore)
+                    != TCL_OK) {
+                goto indicatorHeightError;
+            }
 	}
 	break;
     }
diff -rup tk8.5.8_base/generic/tkMenubutton.h tk8.5.8/generic/tkMenubutton.h
--- tk8.5.8_base/generic/tkMenubutton.h	2007-12-13 10:24:16.000000000 -0500
+++ tk8.5.8/generic/tkMenubutton.h	2010-06-08 17:36:20.519089664 -0400
@@ -130,6 +130,8 @@ typedef struct {
 				 * origin. */
     char *widthString;		/* Value of -width option. Malloc'ed. */
     char *heightString;		/* Value of -height option. Malloc'ed. */
+    char *indicatorWidthString; /* Value of -indicatorwidth option */
+    char *indicatorHeightString;/* Value of -indicatorheight option */
     int width, height;		/* If > 0, these specify dimensions to request
 				 * for window, in characters for text and in
 				 * pixels for bitmaps. In this case the actual
@@ -159,6 +161,8 @@ typedef struct {
     int indicatorWidth;		/* Width of indicator in pixels, including
 				 * indicatorHeight in padding on each side. 0
 				 * if no indicator. */
+    int indWidthStore;          /* Unchanging indicator width */
+    int indHeightStore;         /* Unchanging indicator height */
 
     /*
      * Miscellaneous information:
diff -rup tk8.5.8_base/unix/tkUnixDefault.h tk8.5.8/unix/tkUnixDefault.h
--- tk8.5.8_base/unix/tkUnixDefault.h	2007-12-13 10:28:50.000000000 -0500
+++ tk8.5.8/unix/tkUnixDefault.h	2010-06-07 12:41:11.837089349 -0400
@@ -330,6 +330,8 @@
 #define DEF_MENUBUTTON_TEXT_VARIABLE	""
 #define DEF_MENUBUTTON_UNDERLINE	"-1"
 #define DEF_MENUBUTTON_WIDTH		"0"
+#define DEF_MENUBUTTON_INDICATORWIDTH	"0"
+#define DEF_MENUBUTTON_INDICATORHEIGHT	"0"
 #define DEF_MENUBUTTON_WRAP_LENGTH	"0"
 
 /*
diff -rup tk8.5.8_base/unix/tkUnixMenubu.c tk8.5.8/unix/tkUnixMenubu.c
--- tk8.5.8_base/unix/tkUnixMenubu.c	2007-12-13 10:28:50.000000000 -0500
+++ tk8.5.8/unix/tkUnixMenubu.c	2010-06-08 17:44:12.011081212 -0400
@@ -464,9 +464,18 @@ TkpComputeMenuButtonGeometry(
     if (mbPtr->indicatorOn) {
 	mm = WidthMMOfScreen(Tk_Screen(mbPtr->tkwin));
 	pixels = WidthOfScreen(Tk_Screen(mbPtr->tkwin));
-	mbPtr->indicatorHeight= (INDICATOR_HEIGHT * pixels)/(10*mm);
-	mbPtr->indicatorWidth = (INDICATOR_WIDTH * pixels)/(10*mm)
-		+ 2*mbPtr->indicatorHeight;
+        if (mbPtr->indHeightStore == 0) {
+	    mbPtr->indicatorHeight = (INDICATOR_HEIGHT * pixels)/(10*mm);
+        } else {
+            mbPtr->indicatorHeight = (mbPtr->indHeightStore * pixels)/(10*mm);
+        }
+        if (mbPtr->indWidthStore == 0) {
+	    mbPtr->indicatorWidth = (INDICATOR_WIDTH * pixels)/(10*mm)
+		    + 2*mbPtr->indicatorHeight;
+        } else {
+	    mbPtr->indicatorWidth = (mbPtr->indWidthStore * pixels)/(10*mm)
+		    + 2*mbPtr->indicatorHeight;
+        }
 	width += mbPtr->indicatorWidth;
     } else {
 	mbPtr->indicatorHeight = 0;
