diff --git a/com.ibm.wala.core/src/com/ibm/wala/ipa/cfg/AbstractInterproceduralCFG.java b/com.ibm.wala.core/src/com/ibm/wala/ipa/cfg/AbstractInterproceduralCFG.java
index c16e6bd25..b647a5019 100644
--- a/com.ibm.wala.core/src/com/ibm/wala/ipa/cfg/AbstractInterproceduralCFG.java
+++ b/com.ibm.wala.core/src/com/ibm/wala/ipa/cfg/AbstractInterproceduralCFG.java
@@ -760,6 +760,7 @@ public abstract class AbstractInterproceduralCFG<T extends ISSABasicBlock> imple
         addIntraproceduralNodesAndEdgesForCGNodeIfNeeded(src.getNode());
       }
     }
+    addedSuccs.add(getNumber(src));
     return g.hasEdge(src, dst);
   }