diff --git a/apps/derive/theories/derive/eqb_core_defs.v b/apps/derive/theories/derive/eqb_core_defs.v
index c6fb6e185..a02c89081 100644
--- a/apps/derive/theories/derive/eqb_core_defs.v
+++ b/apps/derive/theories/derive/eqb_core_defs.v
@@ -5,7 +5,7 @@ Set Implicit Arguments.
 Unset Strict Implicit.
 Unset Printing Implicit Defensive.
 
-Open Scope positive_scope.
+Local Open Scope positive_scope.
 
 Section Section.
 Context {A:Type}.