diff --git a/lib/asn1/gen_glue.c b/lib/asn1/gen_glue.c
index 32680cef4..5ab93305a 100644
--- a/lib/asn1/gen_glue.c
+++ b/lib/asn1/gen_glue.c
@@ -103,7 +103,7 @@ generate_units (const Type *t, const char *gen_name)
 		 gen_name, gen_name);
     } else {
 	fprintf (headerfile,
-		 "const struct units * asn1_%s_units(void);",
+		 "const struct units * asn1_%s_units(void);\n",
 		 gen_name);
     }