diff --git a/openbsc/src/libbsc/bsc_init.c b/openbsc/src/libbsc/bsc_init.c
index 713109c..fd8dd66 100644
--- a/openbsc/src/libbsc/bsc_init.c
+++ b/openbsc/src/libbsc/bsc_init.c
@@ -140,6 +140,7 @@
 		gen_si[n_si++] = SYSINFO_TYPE_2;
 		gen_si[n_si++] = SYSINFO_TYPE_2bis;
 		gen_si[n_si++] = SYSINFO_TYPE_2ter;
+		gen_si[n_si++] = SYSINFO_TYPE_2quater;
 		gen_si[n_si++] = SYSINFO_TYPE_3;
 		gen_si[n_si++] = SYSINFO_TYPE_4;