diff --git a/flow/workflows/setup_flow.go b/flow/workflows/setup_flow.go
index 1ee4d4251..b1326d2a0 100644
--- a/flow/workflows/setup_flow.go
+++ b/flow/workflows/setup_flow.go
@@ -111,7 +111,7 @@ func (s *SetupFlowExecution) ensurePullability(
 	s.Info("ensuring pullability for peer flow")
 
 	ctx = workflow.WithActivityOptions(ctx, workflow.ActivityOptions{
-		StartToCloseTimeout: 4 * time.Hour,
+		StartToCloseTimeout: 4 * 24 * time.Hour,
 		RetryPolicy: &temporal.RetryPolicy{
 			InitialInterval: 1 * time.Minute,
 		},
diff --git a/flow/workflows/snapshot_flow.go b/flow/workflows/snapshot_flow.go
index 869819767..27614ffda 100644
--- a/flow/workflows/snapshot_flow.go
+++ b/flow/workflows/snapshot_flow.go
@@ -38,7 +38,7 @@ func (s *SnapshotFlowExecution) setupReplication(
 	s.logger.Info("setting up replication on source for peer flow")
 
 	ctx = workflow.WithActivityOptions(ctx, workflow.ActivityOptions{
-		StartToCloseTimeout: 4 * time.Hour,
+		StartToCloseTimeout: 4 * 24 * time.Hour,
 		RetryPolicy: &temporal.RetryPolicy{
 			InitialInterval: 1 * time.Minute,
 			MaximumAttempts: 20,