diff --git a/src/backend/replication/slot.c b/src/backend/replication/slot.c
index e4f5c6fb36..90ba9b417d 100644
--- a/src/backend/replication/slot.c
+++ b/src/backend/replication/slot.c
@@ -77,11 +77,11 @@ typedef struct ReplicationSlotOnDisk
 #define ReplicationSlotOnDiskConstantSize \
 	offsetof(ReplicationSlotOnDisk, slotdata)
 /* size of the part of the slot not covered by the checksum */
-#define SnapBuildOnDiskNotChecksummedSize \
+#define ReplicationSlotOnDiskNotChecksummedSize  \
 	offsetof(ReplicationSlotOnDisk, version)
 /* size of the part covered by the checksum */
-#define SnapBuildOnDiskChecksummedSize \
-	sizeof(ReplicationSlotOnDisk) - SnapBuildOnDiskNotChecksummedSize
+#define ReplicationSlotOnDiskChecksummedSize \
+	sizeof(ReplicationSlotOnDisk) - ReplicationSlotOnDiskNotChecksummedSize
 /* size of the slot data that is version dependent */
 #define ReplicationSlotOnDiskV2Size \
 	sizeof(ReplicationSlotOnDisk) - ReplicationSlotOnDiskConstantSize
@@ -1571,8 +1571,8 @@ SaveSlotToPath(ReplicationSlot *slot, const char *dir, int elevel)
 	SpinLockRelease(&slot->mutex);
 
 	COMP_CRC32C(cp.checksum,
-				(char *) (&cp) + SnapBuildOnDiskNotChecksummedSize,
-				SnapBuildOnDiskChecksummedSize);
+				(char *) (&cp) + ReplicationSlotOnDiskNotChecksummedSize,
+				ReplicationSlotOnDiskChecksummedSize);
 	FIN_CRC32C(cp.checksum);
 
 	errno = 0;
@@ -1787,8 +1787,8 @@ RestoreSlotFromDisk(const char *name)
 	/* now verify the CRC */
 	INIT_CRC32C(checksum);
 	COMP_CRC32C(checksum,
-				(char *) &cp + SnapBuildOnDiskNotChecksummedSize,
-				SnapBuildOnDiskChecksummedSize);
+				(char *) &cp + ReplicationSlotOnDiskNotChecksummedSize,
+				ReplicationSlotOnDiskChecksummedSize);
 	FIN_CRC32C(checksum);
 
 	if (!EQ_CRC32C(checksum, cp.checksum))