diff --git a/libr/bin/demangle.c b/libr/bin/demangle.c
index 8ae590d934..f2f21ab1c4 100644
--- a/libr/bin/demangle.c
+++ b/libr/bin/demangle.c
@@ -345,8 +345,10 @@ R_API int r_bin_lang_type(RBinFile *binfile, const char *def, const char *sym) {
 
 R_API char *r_bin_demangle (RBinFile *binfile, const char *def, const char *str) {
 	int type = -1;
-	RBin *bin = binfile->rbin;
+	RBin *bin;
+	if (!binfile) return NULL;
 
+	bin = binfile->rbin;
 	if (!strncmp (str, "sym.", 4))
 		str += 4;
 	if (!strncmp (str, "imp.", 4))