diff --git a/libasn1compiler/asn1c_C.c b/libasn1compiler/asn1c_C.c
index 4948016ada0584a3e6763436e95ac1ceebbde03d..ab618fa18aaefd188506fb175344b1306b9cb866 100644
--- a/libasn1compiler/asn1c_C.c
+++ b/libasn1compiler/asn1c_C.c
@@ -1361,4 +1361,6 @@ emit_type_DEF(arg_t *arg, asn1p_expr_t *expr, int tags_count, int tags_impl_skip
 	);
 	OUT("};\n");
 	OUT("\n");
+
+	return 0;
 }