diff --git a/ndb/src/ndbapi/NdbConnection.cpp b/ndb/src/ndbapi/NdbConnection.cpp
index 27dbc19eb6b..c142efb1596 100644
--- a/ndb/src/ndbapi/NdbConnection.cpp
+++ b/ndb/src/ndbapi/NdbConnection.cpp
@@ -1646,7 +1646,7 @@ NdbConnection::receiveTCKEY_FAILCONF(const TcKeyFailConf * failConf)
 	break;
       case NdbOperation::NotDefined:
       case NdbOperation::NotDefined2:
-	assert();
+	assert(false);
 	break;
       }//if
     }//while   
diff --git a/ndb/src/ndbapi/NdbDictionaryImpl.cpp b/ndb/src/ndbapi/NdbDictionaryImpl.cpp
index 4d33060497d..28aceb536ee 100644
--- a/ndb/src/ndbapi/NdbDictionaryImpl.cpp
+++ b/ndb/src/ndbapi/NdbDictionaryImpl.cpp
@@ -149,7 +149,7 @@ NdbColumnImpl::init(Type t)
     m_cs = default_cs;
     break;
   case Undefined:
-    assert();
+    assert(false);
     break;
   }
   m_pk = false;