diff --git a/tests/gb/gprs_bssgp_test.c b/tests/gb/gprs_bssgp_test.c
index d24250d..a247326 100644
--- a/tests/gb/gprs_bssgp_test.c
+++ b/tests/gb/gprs_bssgp_test.c
@@ -25,6 +25,7 @@
 #include <getopt.h>
 #include <unistd.h>
 #include <netinet/ip.h>
+#include <sys/socket.h>
 #include <dlfcn.h>
 
 #define BSS_NSEI 0x0b55