diff --git a/src/less/core/wrapper/flex.horizontal.less b/src/less/core/wrapper/flex.horizontal.less
index 86e986f3e..d6122ff4f 100644
--- a/src/less/core/wrapper/flex.horizontal.less
+++ b/src/less/core/wrapper/flex.horizontal.less
@@ -165,10 +165,9 @@
   }
 
   > .fill {
-    -webkit-box-flex: 1;
-    -moz-box-flex: 1;
-    -webkit-flex: 1;
-    -ms-flex: 1;
-    flex: 1;
+    -webkit-flex-grow: 1;
+    -moz-flex-grow: 1;
+    -ms-flex-grow: 1;
+    flex-grow: 1;
   }
 }
diff --git a/src/less/core/wrapper/flex.vertical.less b/src/less/core/wrapper/flex.vertical.less
index a5a89dc1a..0e8c7b501 100644
--- a/src/less/core/wrapper/flex.vertical.less
+++ b/src/less/core/wrapper/flex.vertical.less
@@ -164,10 +164,9 @@
   }
 
   > .fill {
-    -webkit-box-flex: 1;
-    -moz-box-flex: 1;
-    -webkit-flex: 1;
-    -ms-flex: 1;
-    flex: 1;
+    -webkit-flex-grow: 1;
+    -moz-flex-grow: 1;
+    -ms-flex-grow: 1;
+    flex-grow: 1;
   }
 }
diff --git a/src/less/core/wrapper/flex.wrapper.horizontal.less b/src/less/core/wrapper/flex.wrapper.horizontal.less
index 20d00b6e7..98290029f 100644
--- a/src/less/core/wrapper/flex.wrapper.horizontal.less
+++ b/src/less/core/wrapper/flex.wrapper.horizontal.less
@@ -172,11 +172,10 @@
     }
 
     > .fill {
-      -webkit-box-flex: 1;
-      -moz-box-flex: 1;
-      -webkit-flex: 1;
-      -ms-flex: 1;
-      flex: 1;
+      -webkit-flex-grow: 1;
+      -moz-flex-grow: 1;
+      -ms-flex-grow: 1;
+      flex-grow: 1;
     }
   }
 }
diff --git a/src/less/core/wrapper/flex.wrapper.vertical.less b/src/less/core/wrapper/flex.wrapper.vertical.less
index 569dbfccd..1992d7757 100644
--- a/src/less/core/wrapper/flex.wrapper.vertical.less
+++ b/src/less/core/wrapper/flex.wrapper.vertical.less
@@ -172,11 +172,10 @@
     }
 
     > .fill {
-      -webkit-box-flex: 1;
-      -moz-box-flex: 1;
-      -webkit-flex: 1;
-      -ms-flex: 1;
-      flex: 1;
+      -webkit-flex-grow: 1;
+      -moz-flex-grow: 1;
+      -ms-flex-grow: 1;
+      flex-grow: 1;
     }
   }
 }