diff --git a/core/net/src/main/java/org/onosproject/net/flowobjective/impl/composition/FlowObjectiveCompositionManager.java b/core/net/src/main/java/org/onosproject/net/flowobjective/impl/composition/FlowObjectiveCompositionManager.java
index 5396e76..00b5d98 100644
--- a/core/net/src/main/java/org/onosproject/net/flowobjective/impl/composition/FlowObjectiveCompositionManager.java
+++ b/core/net/src/main/java/org/onosproject/net/flowobjective/impl/composition/FlowObjectiveCompositionManager.java
@@ -201,7 +201,7 @@
                     }
                 } else if (numAttempts < INSTALL_RETRY_ATTEMPTS) {
                     Thread.sleep(INSTALL_RETRY_INTERVAL);
-                    executorService.submit(new ObjectiveInstaller(deviceId, objective, numAttempts + 1));
+                    executorService.execute(new ObjectiveInstaller(deviceId, objective, numAttempts + 1));
                 } else {
                     // Otherwise we've tried a few times and failed, report an
                     // error back to the user.
@@ -221,7 +221,7 @@
         List<FilteringObjective> filteringObjectives
                 = this.deviceCompositionTreeMap.get(deviceId).updateFilter(filteringObjective);
         for (FilteringObjective tmp : filteringObjectives) {
-            executorService.submit(new ObjectiveInstaller(deviceId, tmp));
+            executorService.execute(new ObjectiveInstaller(deviceId, tmp));
         }
     }
 
@@ -235,7 +235,7 @@
         List<ForwardingObjective> forwardingObjectives
                 = this.deviceCompositionTreeMap.get(deviceId).updateForward(forwardingObjective);
         for (ForwardingObjective tmp : forwardingObjectives) {
-            executorService.submit(new ObjectiveInstaller(deviceId, tmp));
+            executorService.execute(new ObjectiveInstaller(deviceId, tmp));
         }
     }
 
@@ -245,7 +245,7 @@
 
         List<NextObjective> nextObjectives = this.deviceCompositionTreeMap.get(deviceId).updateNext(nextObjective);
         for (NextObjective tmp : nextObjectives) {
-            executorService.submit(new ObjectiveInstaller(deviceId, tmp));
+            executorService.execute(new ObjectiveInstaller(deviceId, tmp));
         }
     }