diff --git a/src/vs/workbench/parts/debug/browser/media/repl.css b/src/vs/workbench/parts/debug/browser/media/repl.css
index 7c6c277950a7a5c058fc82d22090580538622b11..a1fde30cbfe13b19d1fe47d06e92b0fcad29f093 100644
--- a/src/vs/workbench/parts/debug/browser/media/repl.css
+++ b/src/vs/workbench/parts/debug/browser/media/repl.css
@@ -5,7 +5,7 @@
 
 /* Debug repl */
 
-.repl {
+.composite.panel .repl {
 	height: 100%;
 	box-sizing: border-box;
 	overflow: hidden;