diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index d7e23cb09..91ca84ac1 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.68 -
 ==================================
+  Mark unreleased memory pools as internal error.
 
 Version 1.02.67 - 19th August 2011
 ==================================
diff --git a/libdm/mm/pool.c b/libdm/mm/pool.c
index 153acd365..b81a9b665 100644
--- a/libdm/mm/pool.c
+++ b/libdm/mm/pool.c
@@ -94,6 +94,7 @@ void dm_pools_check_leaks(void)
 		log_error(" [%p] %s", p, p->name);
 #endif
 	}
+	log_error(INTERNAL_ERROR "Unreleased memory pool(s) found.");
 }
 
 /**