diff --git a/fsw/cfe-core/src/es/cfe_es_api.c b/fsw/cfe-core/src/es/cfe_es_api.c
index 480955071..d93851e19 100644
--- a/fsw/cfe-core/src/es/cfe_es_api.c
+++ b/fsw/cfe-core/src/es/cfe_es_api.c
@@ -1181,7 +1181,8 @@ int32 CFE_ES_DeleteChildTask(uint32 OSTaskId)
     bool    TaskIsMain = false;
     int32   ReturnCode = CFE_SUCCESS;
     int32   OSReturnCode;
-
+    int32   Result = CFE_SUCCESS;
+    uint32  AppId= 0xFFFFFFFF;
 
     /*
     ** Make sure the task ID is within range
@@ -1224,16 +1225,34 @@ int32 CFE_ES_DeleteChildTask(uint32 OSTaskId)
              if ( OSReturnCode == OS_SUCCESS )
              {
                 /*
+                ** Get the AppID of the calling Application
+                */
+                Result = CFE_ES_GetAppIDInternal(&AppId);
+                if (Result != CFE_SUCCESS)
+                {
+                   CFE_ES_SysLogWrite_Unsync("CFE_ES_DeleteChildTask: Error calling CFE_ES_GetAppIDInternal for Task '%d'. RC = 0x%08X\n",(int)TaskId,(unsigned int)Result);
+                   ReturnCode = CFE_ES_ERR_CHILD_TASK_DELETE;
+                }
+                else  /* else AppId is valid */
+                {				
+                   /*
+                   ** Decrement the "Registered" child task count for the App
+                   */
+                    if (CFE_ES_Global.AppTable[AppId].TaskInfo.NumOfChildTasks != 0 )
+                    {
+                       CFE_ES_Global.AppTable[AppId].TaskInfo.NumOfChildTasks --;
+                    }
+   		    ReturnCode = CFE_SUCCESS;								
+	         }
+                /*
                 ** Invalidate the task table entry
                 */
                 CFE_ES_Global.TaskTable[TaskId].RecordUsed = false;
                 CFE_ES_Global.RegisteredTasks--;
-
                 /*
                 ** Report the task delete
                 */
                 CFE_ES_SysLogWrite_Unsync("CFE_ES_DeleteChildTask Task %u Deleted\n",(unsigned int)OSTaskId );
-                ReturnCode = CFE_SUCCESS;
              }
              else
              {
@@ -1275,7 +1294,8 @@ int32 CFE_ES_DeleteChildTask(uint32 OSTaskId)
     }
     return(ReturnCode);
 
-} /* End of CFE_ES_DeleteTask() */
+} /* End of CFE_ES_DeleteChildTask() */
+
 
 /*
 ** Function: CFE_ES_ExitChildTask
diff --git a/fsw/cfe-core/unit-test/es_UT.c b/fsw/cfe-core/unit-test/es_UT.c
index 1668a0a35..1e245bb38 100644
--- a/fsw/cfe-core/unit-test/es_UT.c
+++ b/fsw/cfe-core/unit-test/es_UT.c
@@ -4798,9 +4798,17 @@ void TestAPI(void)
     CFE_ES_Global.AppTable[0].TaskInfo.MainTaskId = 15;
     OS_TaskCreate(&CFE_ES_Global.TaskTable[1].TaskId, NULL, NULL, NULL,
                   0, 0, 0);
+    uint32 NumOchildTasks = CFE_ES_Global.AppTable[0].TaskInfo.NumOfChildTasks;
+    uint32 NumORegTasks = CFE_ES_Global.RegisteredTasks;
+    int32  DeleteChildResult = CFE_ES_DeleteChildTask(CFE_ES_Global.TaskTable[1].TaskId);
+    int32 DeleteChildTestResult = 0xFFFFFFFF;
+    if( DeleteChildResult == CFE_SUCCESS && CFE_ES_Global.AppTable[0].TaskInfo.NumOfChildTasks == 
+        NumOchildTasks - 1 && CFE_ES_Global.RegisteredTasks == NumORegTasks - 1 )
+    {
+       DeleteChildTestResult = CFE_SUCCESS;
+    }
     UT_Report(__FILE__, __LINE__,
-              CFE_ES_DeleteChildTask(CFE_ES_Global.TaskTable[1].TaskId) ==
-                CFE_SUCCESS,
+              DeleteChildTestResult == CFE_SUCCESS,
               "CFE_ES_DeleteChildTask",
               "Delete child task successful");