diff --git a/package/freeradius-server/freeradius-server.mk b/package/freeradius-server/freeradius-server.mk
index 5b74a3b01a..f77413a170 100644
--- a/package/freeradius-server/freeradius-server.mk
+++ b/package/freeradius-server/freeradius-server.mk
@@ -86,7 +86,9 @@ FREERADIUS_SERVER_CONF_OPTS += --without-libcap
 endif
 
 ifeq ($(BR2_PACKAGE_LIBKRB5),y)
-FREERADIUS_SERVER_CONF_OPTS += --with-rlm_krb5
+FREERADIUS_SERVER_CONF_OPTS += \
+	ac_cv_path_krb5-config=$(STAGING_DIR)/usr/bin/krb5-config \
+	--with-rlm_krb5
 FREERADIUS_SERVER_DEPENDENCIES += libkrb5
 else
 FREERADIUS_SERVER_CONF_OPTS += --without-rlm_krb5