diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index 8f8198fc91..19f67952a5 100644
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -37,7 +37,7 @@
 
 #ifdef LDAP_DEVEL
 #define SLAP_EXTENDED_SCHEMA 1
-//#define LDAP_CACHING
+#define LDAP_CACHING
 #endif
 
 LDAP_BEGIN_DECL