diff --git a/src/backend/port/sysv_shmem.c b/src/backend/port/sysv_shmem.c
index c05a4b409a2..69f9c63b9dc 100644
--- a/src/backend/port/sysv_shmem.c
+++ b/src/backend/port/sysv_shmem.c
@@ -676,6 +676,7 @@ PGSharedMemoryCreate(Size size, int port,
 								(unsigned long) shmid),
 						 errhint("Terminate any old server processes associated with data directory \"%s\".",
 								 DataDir)));
+				break;
 			case SHMSTATE_ENOENT:
 
 				/*
@@ -707,6 +708,7 @@ PGSharedMemoryCreate(Size size, int port,
 					dsm_cleanup_using_control_segment(oldhdr->dsm_control);
 				if (shmctl(shmid, IPC_RMID, NULL) < 0)
 					NextShmemSegID++;
+				break;
 		}
 
 		if (oldhdr && shmdt(oldhdr) < 0)