diff --git a/configure.ac b/configure.ac
index 67ae587..f81b667 100644
--- a/configure.ac
+++ b/configure.ac
@@ -60,12 +60,12 @@ AS_IF([test "x$enable_debug" = "xyes"], [
 ])
 AM_CONDITIONAL(OIDENTD, test x$enable_identd = xyes)
 AS_IF([test "x$with_openssl" != "xno"], [
+	AC_CHECK_LIB(ssl, SSL_read, [], [
+		AC_MSG_ERROR([library 'ssl' is required for OpenSSL support])
+	], -lssl) 
 	AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [
 		AC_MSG_ERROR([library 'crypto' is required for OpenSSL support])
 	], -lcrypto) 
-    	AC_CHECK_LIB(ssl, SSL_read, [with_openssl=yes], [
-		AC_MSG_ERROR([library 'ssl' is required for OpenSSL support])
-	]) 
 ])
 
 AC_CONFIG_FILES([Makefile])
diff --git a/src/util.c b/src/util.c
index 3881057..d8bf50d 100644
--- a/src/util.c
+++ b/src/util.c
@@ -723,6 +723,8 @@ list_t *hash_keys(hash_t *hash)
 void hash_rename_key(hash_t *h, const char *oldk, const char *newk)
 {
 	assert(h && oldk && newk);
+	if (strcmp(oldk, newk) == 0)
+		return;
 	hash_insert(h, newk, hash_remove(h, oldk));
 }