diff --git a/src/vs/workbench/contrib/debug/browser/media/debugViewlet.css b/src/vs/workbench/contrib/debug/browser/media/debugViewlet.css
index 4ccff4262eb70..235181c81086f 100644
--- a/src/vs/workbench/contrib/debug/browser/media/debugViewlet.css
+++ b/src/vs/workbench/contrib/debug/browser/media/debugViewlet.css
@@ -108,7 +108,7 @@
 }
 
 .debug-viewlet .disabled {
-	opacity: 0.35;
+	opacity: 0.65;
 }
 
 /* Call stack */