diff --git a/src/styles/utilities/layout.css b/src/styles/utilities/layout.css
index 06fdca784..b10d806f1 100644
--- a/src/styles/utilities/layout.css
+++ b/src/styles/utilities/layout.css
@@ -128,7 +128,7 @@
 }
 
 [class*='wa-split']:not([class*='\:column']) > :first-child {
-  flex: 1 1 auto;
+  flex: 0 1 auto;
 }
 
 [class*='wa-split'][class*='\:column'] {