diff --git a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
index 886fb97..17cf980 100644
--- a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
+++ b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
@@ -240,16 +240,16 @@
             // NewAdaptiveFlowStatsCollector Constructor
             NewAdaptiveFlowStatsCollector fsc =
                     new NewAdaptiveFlowStatsCollector(driverService, sw, flowPollFrequency);
-            fsc.start();
             stopCollectorIfNeeded(afsCollectors.put(new Dpid(sw.getId()), fsc));
+            fsc.start();
         } else {
             FlowStatsCollector fsc = new FlowStatsCollector(timer, sw, flowPollFrequency);
-            fsc.start();
             stopCollectorIfNeeded(simpleCollectors.put(new Dpid(sw.getId()), fsc));
+            fsc.start();
         }
         TableStatisticsCollector tsc = new TableStatisticsCollector(timer, sw, flowPollFrequency);
-        tsc.start();
         stopCollectorIfNeeded(tableStatsCollectors.put(new Dpid(sw.getId()), tsc));
+        tsc.start();
     }
 
     private void stopCollectorIfNeeded(SwitchDataCollector collector) {
diff --git a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
index 46abc77..cabd8dc 100644
--- a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
+++ b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
@@ -375,8 +375,8 @@
             }
             if (isGroupSupported(sw)) {
                 GroupStatsCollector gsc = new GroupStatsCollector(sw, POLL_INTERVAL);
-                gsc.start();
                 stopCollectorIfNeeded(collectors.put(dpid, gsc));
+                gsc.start();
             }
 
             //figure out race condition
diff --git a/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java b/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java
index 76e4b15..f111576 100644
--- a/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java
+++ b/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java
@@ -234,8 +234,8 @@
     private void createStatsCollection(OpenFlowSwitch sw) {
         if (sw != null && isMeterSupported(sw)) {
             MeterStatsCollector msc = new MeterStatsCollector(sw, POLL_INTERVAL);
-            msc.start();
             stopCollectorIfNeeded(collectors.put(new Dpid(sw.getId()), msc));
+            msc.start();
         }
     }