diff --git a/client/galaxy/style/scss/base.scss b/client/galaxy/style/scss/base.scss
index 9fe96416cf5..341ccb5adb8 100644
--- a/client/galaxy/style/scss/base.scss
+++ b/client/galaxy/style/scss/base.scss
@@ -684,7 +684,7 @@ div.form-row-input label {
 }
 
 #run-workflow {
-    @include float-right;
+    @extend .float-right;
     @extend .mt-3;
 }