check_semi_sync.diff

diff --git a/go/vt/vttablet/tabletmanager/tm_init.go b/go/vt/vttablet/tabletmanager/tm_init.go
index 63e0961f86..e157842913 100644
--- a/go/vt/vttablet/tabletmanager/tm_init.go
+++ b/go/vt/vttablet/tabletmanager/tm_init.go
@@ -920,8 +920,10 @@ func (tm *TabletManager) initializeReplication(ctx context.Context, tabletType t
 	// If using semi-sync, we need to enable it before connecting to primary.
 	// We should set the correct type, since it is used in replica semi-sync
 	tablet.Type = tabletType
-	if err := tm.fixSemiSync(tabletType, convertBoolToSemiSyncAction(reparentutil.IsReplicaSemiSync(durability, currentPrimary.Tablet, tablet))); err != nil {
-		return nil, err
+	if tm.isPrimarySideSemiSyncEnabled() {
+		if err := tm.fixSemiSync(tabletType, convertBoolToSemiSyncAction(reparentutil.IsReplicaSemiSync(durability, currentPrimary.Tablet, tablet))); err != nil {
+			return nil, err
+		}
 	}
 
 	// Set primary and start replication.