diff --git a/tests/unit/scripting.tcl b/tests/unit/scripting.tcl
index 2543a0377..fb36d0b80 100644
--- a/tests/unit/scripting.tcl
+++ b/tests/unit/scripting.tcl
@@ -741,3 +741,8 @@ start_server {tags {"scripting repl"}} {
     }
 }
 
+start_server {tags {"scripting"}} {
+    r script debug sync
+    r eval {return 'hello'} 0
+    r eval {return 'hello'} 0
+}