diff --git a/graphics/grTOGL1.c b/graphics/grTOGL1.c
index 400878b8..c518bb55 100644
--- a/graphics/grTOGL1.c
+++ b/graphics/grTOGL1.c
@@ -1539,7 +1539,7 @@ GrTOGLIconUpdate(w,text)		/* See Blt code */
     XSetClassHint( grXdpy, wind, &class);
     if (text)
     {
-	if ((brack = strchr(text,'[')))
+	if ((brack = strchr(text,'[')) && brack != text)
 	{
 	    brack--;
 	    *brack = 0;