diff --git a/asterixdb/asterix-active/src/main/java/org/apache/asterix/active/ActiveManager.java b/asterixdb/asterix-active/src/main/java/org/apache/asterix/active/ActiveManager.java
index bb76204..2aebc59 100644
--- a/asterixdb/asterix-active/src/main/java/org/apache/asterix/active/ActiveManager.java
+++ b/asterixdb/asterix-active/src/main/java/org/apache/asterix/active/ActiveManager.java
@@ -178,7 +178,7 @@
 
     private void stopIfRunning(ActiveRuntimeId runtimeId, IActiveRuntime runtime)
             throws HyracksDataException, InterruptedException {
-        if (runtimes.remove(runtimeId) != null) {
+        if (runtimes.containsKey(runtimeId)) {
             runtime.stop();
         } else {
             LOGGER.info("Not stopping already stopped runtime " + runtimeId);