diff --git a/lib/gssapi/Makefile.am b/lib/gssapi/Makefile.am
index cd6911bc0..4986fe3dc 100644
--- a/lib/gssapi/Makefile.am
+++ b/lib/gssapi/Makefile.am
@@ -76,6 +76,7 @@ mechsrc = \
 	mech/context.h \
 	mech/context.c \
 	mech/cred.h \
+	mech/doxygen.c \
 	mech/gss_accept_sec_context.c \
 	mech/gss_acquire_cred.c \
 	mech/gss_add_cred.c \