diff --git a/dom/base/nsJSEnvironment.cpp b/dom/base/nsJSEnvironment.cpp
index e521b23113ee..44e1aeb0fa80 100644
--- a/dom/base/nsJSEnvironment.cpp
+++ b/dom/base/nsJSEnvironment.cpp
@@ -1904,16 +1904,16 @@ void nsJSContext::RunNextCollectorTimer(JS::GCReason aReason,
     // anything if a GC is in progress.
     MOZ_ASSERT(!sCCLockedOut,
                "Don't check the CC timers if the CC is locked out.");
-  }
 
-  if (sCCRunner) {
-    sCCRunner->SetDeadline(aDeadline);
-    runnable = sCCRunner;
-  }
+    if (sCCRunner) {
+      sCCRunner->SetDeadline(aDeadline);
+      runnable = sCCRunner;
+    }
 
-  if (sICCRunner) {
-    sICCRunner->SetDeadline(aDeadline);
-    runnable = sICCRunner;
+    if (sICCRunner) {
+      sICCRunner->SetDeadline(aDeadline);
+      runnable = sICCRunner;
+    }
   }
 
   if (runnable) {