diff --git a/devtools/client/styleeditor/StyleSheetEditor.jsm b/devtools/client/styleeditor/StyleSheetEditor.jsm
index 1d1339447d54..4354b1e1225d 100644
--- a/devtools/client/styleeditor/StyleSheetEditor.jsm
+++ b/devtools/client/styleeditor/StyleSheetEditor.jsm
@@ -190,6 +190,15 @@ StyleSheetEditor.prototype = {
     return this._friendlyName;
   },
 
+  /**
+   * Check if transitions are enabled for style changes.
+   *
+   * @return Boolean
+   */
+  get transitionsEnabled() {
+    return Services.prefs.getBoolPref(TRANSITION_PREF);
+  },
+
   /**
    * If this is an original source, get the path of the CSS file it generated.
    */
@@ -495,9 +504,7 @@ StyleSheetEditor.prototype = {
       this._state.text = this.sourceEditor.getText();
     }
 
-    let transitionsEnabled = Services.prefs.getBoolPref(TRANSITION_PREF);
-
-    this.styleSheet.update(this._state.text, transitionsEnabled)
+    this.styleSheet.update(this._state.text, this.transitionsEnabled)
                    .then(null, Cu.reportError);
   },
 
@@ -683,7 +690,7 @@ StyleSheetEditor.prototype = {
       let text = decoder.decode(array);
 
       let relatedSheet = this.styleSheet.relatedStyleSheet;
-      relatedSheet.update(text, true);
+      relatedSheet.update(text, this.transitionsEnabled);
     }, this.markLinkedFileBroken);
   },