diff --git a/coreapi/misc.c b/coreapi/misc.c
index a5bf43040..fe748b1d3 100644
--- a/coreapi/misc.c
+++ b/coreapi/misc.c
@@ -1748,8 +1748,7 @@ void linphone_core_set_tone(LinphoneCore *lc, LinphoneToneID id, const char *aud
 }
 
 const MSCryptoSuite * linphone_core_get_srtp_crypto_suites(LinphoneCore *lc){
-	const char *config=lp_config_get_string(lc->config,"sip","srtp_crypto_suites","AES_CM_128_HMAC_SHA1_80, AES_CM_128_HMAC_SHA1_32, AES_CM_256_HMAC_SHA1_80, AES_CM_256_HMAC_SHA1_32");
-	char *tmp=ms_strdup(config);
+	const char *config= lp_config_get_string(lc->config, "sip", "srtp_crypto_suites", "AES_CM_128_HMAC_SHA1_80, AES_CM_128_HMAC_SHA1_32, AES_256_CM_HMAC_SHA1_80, AES_256_CM_HMAC_SHA1_32");
 	char *sep;
 	char *pos;
 	char *nextpos;