diff --git a/src/backend/utils/misc/faultinjector.c b/src/backend/utils/misc/faultinjector.c
index 716ebc684e1f33ec0fe5d1c6ff9d263abfcb870a..64ce6bc0a0d41593a2cd85a83ed31d395b88886c 100644
--- a/src/backend/utils/misc/faultinjector.c
+++ b/src/backend/utils/misc/faultinjector.c
@@ -734,9 +734,12 @@ FaultInjector_MarkEntryAsResume(
 	}
 
 	if (entryLocal->faultInjectorType != FaultInjectorTypeSuspend)
+	{
+		FiLockRelease();
 		ereport(ERROR, 
 				(errcode(ERRCODE_FAULT_INJECT),
 				 errmsg("only suspend fault can be resumed")));	
+	}
 
 	entryLocal->faultInjectorType = FaultInjectorTypeResume;