diff --git a/passphrase_cache.cc b/passphrase_cache.cc
index de7f2ad..d6a7242 100644
--- a/passphrase_cache.cc
+++ b/passphrase_cache.cc
@@ -82,7 +82,7 @@ namespace pEp {
         return _which->passphrase.c_str();
     }
 
-	PEP_STATUS PassphraseCache::messageToSend(PassphraseCache&& cache, PEP_SESSION session)
+	PEP_STATUS PassphraseCache::messageToSend(PassphraseCache& cache, PEP_SESSION session)
 	{
         static pEp::PassphraseCache _copy;
         static bool new_copy = true;
diff --git a/passphrase_cache.hh b/passphrase_cache.hh
index 7985072..b7390ad 100644
--- a/passphrase_cache.hh
+++ b/passphrase_cache.hh
@@ -59,7 +59,7 @@ namespace pEp {
         // this function is using latest_passphrase() to test one passphrase after the
         // other until the cache is exhausted
 
-        static PEP_STATUS messageToSend(PassphraseCache&& cache, PEP_SESSION session);
+        static PEP_STATUS messageToSend(PassphraseCache& cache, PEP_SESSION session);
 
         // for each passphrase call the callee until it returns true for a
         // matching passphrase or no passphrases are left