diff --git a/include/osmocom/core/logging.h b/include/osmocom/core/logging.h
index b477a66..4276b3a 100644
--- a/include/osmocom/core/logging.h
+++ b/include/osmocom/core/logging.h
@@ -38,7 +38,8 @@
 
 /* logging levels defined by the library itself */
 #define DLGLOBAL	-1
-#define OSMO_NUM_DLIB	1
+#define DLLAPDM		-2
+#define OSMO_NUM_DLIB	2
 
 struct log_category {
 	uint8_t loglevel;