diff --git a/asn1c/tests/check-119.-fnative-types.-gen-PER.c b/asn1c/tests/check-119.-fnative-types.-gen-PER.c
index 421459d2a02809bd5b304fbc410daaf1536d5c5b..d5ffdc6b6b64669d2c2836a5f38cf71c57b79ac6 100644
--- a/asn1c/tests/check-119.-fnative-types.-gen-PER.c
+++ b/asn1c/tests/check-119.-fnative-types.-gen-PER.c
@@ -234,7 +234,7 @@ process_XER_data(const char *fname, enum expectation expectation, char *fbuf, in
 	st = load_object_from(fname, expectation, fbuf, size, AS_XER);
 	if(!st) return;
 
-	/* Save and re-load as DER */
+	/* Save and re-load as PER */
 	save_object_as(st, expectation, AS_PER);
 	if(expectation == EXP_PER_NOCOMP)
 		return;	/* Already checked */
diff --git a/asn1c/tests/check-119.-gen-PER.c b/asn1c/tests/check-119.-gen-PER.c
index 421459d2a02809bd5b304fbc410daaf1536d5c5b..d5ffdc6b6b64669d2c2836a5f38cf71c57b79ac6 100644
--- a/asn1c/tests/check-119.-gen-PER.c
+++ b/asn1c/tests/check-119.-gen-PER.c
@@ -234,7 +234,7 @@ process_XER_data(const char *fname, enum expectation expectation, char *fbuf, in
 	st = load_object_from(fname, expectation, fbuf, size, AS_XER);
 	if(!st) return;
 
-	/* Save and re-load as DER */
+	/* Save and re-load as PER */
 	save_object_as(st, expectation, AS_PER);
 	if(expectation == EXP_PER_NOCOMP)
 		return;	/* Already checked */