diff --git a/Controller/src/main/java/org/gusdb/workflow/RunnableWorkflow.java b/Controller/src/main/java/org/gusdb/workflow/RunnableWorkflow.java
index d7fa603..996906a 100644
--- a/Controller/src/main/java/org/gusdb/workflow/RunnableWorkflow.java
+++ b/Controller/src/main/java/org/gusdb/workflow/RunnableWorkflow.java
@@ -395,8 +395,8 @@ private boolean okToRun(RunnableWorkflowStep step, String[] types,
         if (type.indexOf(WorkflowGraph.FLAG_DIVIDER) >= 0)
           continue;
 
-        if (typeCounts.get(type) != null && typeCounts.get(type) >= getThrottleConfig(type, config, configFile)) {
-          okToRun = false;
+        if (typeCounts.get(type) != null && getThrottleConfig(type, config, configFile) != null && typeCounts.get(type) >= getThrottleConfig(type, config, configFile)) {
+            okToRun = false;
           break;
         }
       }