diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 5b989da911f329bdaf7a4bd536542dd485350d1c..ebed4542712a03625b12d2862252e75305a19993 100755
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -1930,7 +1930,11 @@ void LLImageGL::updatePickMask(S32 width, S32 height, const U8* data_in)
 		return;
 	}
 
-	U32 pickSize = createPickMask(width, height);
+#ifdef SHOW_ASSERT
+	const U32 pickSize = createPickMask(width, height);
+#else // SHOW_ASSERT
+	createPickMask(width, height);
+#endif // SHOW_ASSERT
 
 	U32 pick_bit = 0;