diff --git a/tests/unit/cluster/cluster-migrateslots.tcl b/tests/unit/cluster/cluster-migrateslots.tcl
index 767351bf9ec..0f44797f50a 100644
--- a/tests/unit/cluster/cluster-migrateslots.tcl
+++ b/tests/unit/cluster/cluster-migrateslots.tcl
@@ -2445,7 +2445,7 @@ start_cluster 3 3 {tags {logreqres:skip external:skip cluster aofrw} overrides {
     }
 }
 
-start_cluster 3 0 {tags {logreqres:skip external:skip cluster} overrides {cluster-require-full-coverage no slot-migration-max-failover-repl-bytes 0}} {
+start_cluster 3 0 {tags {logreqres:skip external:skip cluster} overrides {cluster-require-full-coverage no slot-migration-max-failover-repl-bytes 0 repl-timeout 3600}} {
     test "Slot migration remaining_repl_size on the source node" {
         set 16383_slot_tag "{6ZJ}"
         set_debug_prevent_pause 1
@@ -2465,7 +2465,7 @@ start_cluster 3 0 {tags {logreqres:skip external:skip cluster} overrides {cluste
         pause_process [srv 0 pid]
         set bigstr [string repeat x 1024000]
         for {set j 0} {$j < 50} {incr j} {
-            R 2 set "$16383_slot_tag:key:" $bigstr
+            R 2 set "$16383_slot_tag:key" $bigstr
         }
 
         # Check R0 remaining repl size is OK.
@@ -2488,7 +2488,7 @@ start_cluster 3 0 {tags {logreqres:skip external:skip cluster} overrides {cluste
     }
 }
 
-start_cluster 3 0 {tags {logreqres:skip external:skip cluster} overrides {cluster-require-full-coverage no slot-migration-max-failover-repl-bytes -1}} {
+start_cluster 3 0 {tags {logreqres:skip external:skip cluster} overrides {cluster-require-full-coverage no slot-migration-max-failover-repl-bytes -1 repl-timeout 3600}} {
     test "slot-migration-max-failover-repl-bytes -1 disables repl bytes limit" {
         set 16383_slot_tag "{6ZJ}"
 
@@ -2506,7 +2506,7 @@ start_cluster 3 0 {tags {logreqres:skip external:skip cluster} overrides {cluste
         pause_process [srv 0 pid]
         set bigstr [string repeat x 1024000]
         for {set j 0} {$j < 50} {incr j} {
-            R 2 set "$16383_slot_tag:key:$j" $bigstr
+            R 2 set "$16383_slot_tag:key" $bigstr
         }
 
         # Confirm the replication buffer has accumulated data.