diff --git a/lib/krb5/Makefile.am b/lib/krb5/Makefile.am
index 9fd63448a..07ddf1a1c 100644
--- a/lib/krb5/Makefile.am
+++ b/lib/krb5/Makefile.am
@@ -104,6 +104,7 @@ libkrb5_la_SOURCES =				\
 	net_write.c				\
 	n-fold.c				\
 	padata.c				\
+	pkinit.c				\
 	principal.c				\
 	prog_setup.c				\
 	prompter_posix.c			\