diff --git a/lib/features/space-tool/SpaceTool.js b/lib/features/space-tool/SpaceTool.js
index 623c523ac..0b3239902 100644
--- a/lib/features/space-tool/SpaceTool.js
+++ b/lib/features/space-tool/SpaceTool.js
@@ -387,7 +387,11 @@ SpaceTool.prototype.toggle = function() {
 SpaceTool.prototype.isActive = function() {
   var context = this._dragging.context();
 
-  return context && /^spaceTool/.test(context.prefix);
+  if (context) {
+    return /^spaceTool/.test(context.prefix);
+  }
+
+  return false;
 };
 
 // helpers //////////
diff --git a/test/spec/features/space-tool/SpaceToolSpec.js b/test/spec/features/space-tool/SpaceToolSpec.js
index 3af37c7a6..157eee467 100644
--- a/test/spec/features/space-tool/SpaceToolSpec.js
+++ b/test/spec/features/space-tool/SpaceToolSpec.js
@@ -81,7 +81,7 @@ describe('features/space-tool', function() {
 
       expect(context).not.to.exist;
 
-      expect(spaceTool.isActive()).not.to.exist;
+      expect(spaceTool.isActive()).to.be.false;
     }));