diff --git a/configure.in b/configure.in
index 866635172..17304406a 100644
--- a/configure.in
+++ b/configure.in
@@ -156,6 +156,7 @@ if test "$with_krb4" != "no"; then
 	LIBS="$save_LIBS"
 	CFLAGS="$save_CFLAGS"
 	LIB_kdb="-lkdb -lkrb"
+	test_LIB_krb4="$LIB_krb4"
 	if test "$krb4_libdir"; then
 		LIB_krb4="-R $krb4_libdir $LIB_krb4"
 		LIB_kdb="-R $krb4_libdir -L$krb4_libdir $LIB_kdb"
@@ -559,11 +560,11 @@ AC_CHECK_HEADERS([				\
 	openssl/rc4.h				\
 ])
 
-AC_FIND_FUNC_NO_LIBS2(MD4_Init, crypto des, [], [], [], [$LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(MD5_Init, crypto des, [], [], [], [$LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(SHA1_Init, crypto des, [], [], [], [$LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(des_cbc_encrypt, crypto des, [], [], [], [$LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(RC4, crypto des, [], [], [], [$LIB_krb4])
+AC_FIND_FUNC_NO_LIBS2(MD4_Init, crypto des, [], [], [], [$test_LIB_krb4])
+AC_FIND_FUNC_NO_LIBS2(MD5_Init, crypto des, [], [], [], [$test_LIB_krb4])
+AC_FIND_FUNC_NO_LIBS2(SHA1_Init, crypto des, [], [], [], [$test_LIB_krb4])
+AC_FIND_FUNC_NO_LIBS2(des_cbc_encrypt, crypto des, [], [], [], [$test_LIB_krb4])
+AC_FIND_FUNC_NO_LIBS2(RC4, crypto des, [], [], [], [$test_LIB_krb4])
 if test "$ac_cv_func_des_cbc_encrypt" = "yes" -a \
 "$ac_cv_func_MD4_Init"  = "yes" -a \
 "$ac_cv_func_MD5_Init"  = "yes" -a \