diff --git a/src/vs/base/browser/ui/splitview/splitview.css b/src/vs/base/browser/ui/splitview/splitview.css
index 75e686cb5fcfc683880bb537a2a24bf606fc92a3..c1b30bf9a3b1b85c4e1c2e4aa868d3e65472fab6 100644
--- a/src/vs/base/browser/ui/splitview/splitview.css
+++ b/src/vs/base/browser/ui/splitview/splitview.css
@@ -30,6 +30,7 @@
 .monaco-split-view2 > .split-view-container > .split-view-view {
 	white-space: initial;
 	position: absolute;
+	overflow: hidden;
 }
 
 .monaco-split-view2 > .split-view-container > .split-view-view:not(.visible) {
diff --git a/src/vs/workbench/browser/media/part.css b/src/vs/workbench/browser/media/part.css
index 60351cbaf2114a72075a6e44f112cb0a9de6b6b9..c051ed6eb2234d55fb4aaedb2128c85041cf9302 100644
--- a/src/vs/workbench/browser/media/part.css
+++ b/src/vs/workbench/browser/media/part.css
@@ -9,6 +9,7 @@
 
 .monaco-workbench .part {
 	box-sizing:	border-box;
+	overflow: hidden;
 }
 
 .monaco-workbench .part > .title {