diff --git a/src/ranap_common.h b/src/ranap_common.h
index 78d729e..f3791b0 100644
--- a/src/ranap_common.h
+++ b/src/ranap_common.h
@@ -588,11 +588,15 @@
 #endif
 
 #include <osmocom/core/logging.h>
+#include <osmocom/core/utils.h>
 
 #define RANAP_DEBUG(x, args ...) DEBUGP(0, x, ## args)
 
 extern int asn1_xer_print;
 
+extern const struct value_string ranap_presence_vals[5];
+extern const struct value_string ranap_procedure_code_vals[48];
+
 char *ranap_cause_str(const RANAP_Cause_t *cause);
 
 struct msgb *ranap_generate_initiating_message(e_RANAP_ProcedureCode procedureCode,