verified https://sourceforge.net/p/asn1c/bugs/45/ with autotests
diff --git a/skeletons/tests/Makefile.am b/skeletons/tests/Makefile.am
index fc53663..f58ef08 100644
--- a/skeletons/tests/Makefile.am
+++ b/skeletons/tests/Makefile.am
@@ -11,7 +11,8 @@
 	check-INTEGER		\
 	check-REAL		\
 	check-XER		\
-	check-PER
+	check-PER		\
+	check-PER-INTEGER
 
 AM_LDFLAGS = $(top_srcdir)/skeletons/libasn1cskeletons.la
 LDADD = -lm