diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c
index 69a9096..8212346 100644
--- a/openbsc/src/gsm_data.c
+++ b/openbsc/src/gsm_data.c
@@ -27,6 +27,7 @@
 
 #include <openbsc/gsm_data.h>
 #include <openbsc/talloc.h>
+#include <openbsc/abis_nm.h>
 
 void *tall_bsc_ctx;