diff --git a/daemons/ipa-slapi-plugins/ipa-pwd-extop/Makefile.am b/daemons/ipa-slapi-plugins/ipa-pwd-extop/Makefile.am
index a9bfd0c4a..f9e32d95f 100644
--- a/daemons/ipa-slapi-plugins/ipa-pwd-extop/Makefile.am
+++ b/daemons/ipa-slapi-plugins/ipa-pwd-extop/Makefile.am
@@ -42,7 +42,9 @@ libipa_pwd_extop_la_SOURCES = 		\
 	encoding.c			\
 	prepost.c			\
 	ipa_pwd_extop.c			\
+	ipapwd.h			\
 	otpctrl.c			\
+	otpctrl.h			\
 	$(KRB5_UTIL_SRCS)		\
 	$(NULL)