diff --git a/src/gprs_rlcmac_ts_alloc.cpp b/src/gprs_rlcmac_ts_alloc.cpp
index bf69296..5bfc18f 100644
--- a/src/gprs_rlcmac_ts_alloc.cpp
+++ b/src/gprs_rlcmac_ts_alloc.cpp
@@ -21,6 +21,7 @@
 
 #include <gprs_rlcmac.h>
 #include <gprs_debug.h>
+#include <bts.h>
 #include <tbf.h>
 
 #include <errno.h>