diff --git a/cpu-miner.c b/cpu-miner.c
index 7c1ee8362..154397a74 100644
--- a/cpu-miner.c
+++ b/cpu-miner.c
@@ -567,6 +567,7 @@ static bool gbt_work_decode(const json_t *val, struct work *work)
 			goto out;
 		}
 		sha256d(merkle_tree[1 + i], tx, tx_size);
+		free(tx);
 		if (!submit_coinbase)
 			strcat(work->txs, tx_hex);
 	}
@@ -628,7 +629,7 @@ static bool gbt_work_decode(const json_t *val, struct work *work)
 		if (!have_longpoll) {
 			char *lp_uri;
 			tmp = json_object_get(val, "longpolluri");
-			lp_uri = json_is_string(tmp) ? strdup(json_string_value(tmp)) : rpc_url;
+			lp_uri = strdup(json_is_string(tmp) ? json_string_value(tmp) : rpc_url);
 			have_longpoll = true;
 			tq_push(thr_info[longpoll_thr_id].q, lp_uri);
 		}
@@ -1155,6 +1156,7 @@ static void *miner_thread(void *userdata)
 			if (!have_stratum &&
 			    (time(NULL) - g_work_time >= min_scantime ||
 			     work.data[19] >= end_nonce)) {
+				work_free(&g_work);
 				if (unlikely(!get_work(mythr, &g_work))) {
 					applog(LOG_ERR, "work retrieval failed, exiting "
 						"mining thread %d", mythr->id);
@@ -1325,6 +1327,7 @@ static void *longpoll_thread(void *userdata)
 			soval = json_object_get(res, "submitold");
 			submit_old = soval ? json_is_true(soval) : false;
 			pthread_mutex_lock(&g_work_lock);
+			work_free(&g_work);
 			if (have_gbt)
 				rc = gbt_work_decode(res, &g_work);
 			else
diff --git a/winbuild-cross.sh b/winbuild-cross.sh
index fac9c76dd..33257ebba 100755
--- a/winbuild-cross.sh
+++ b/winbuild-cross.sh
@@ -19,6 +19,7 @@ CFLAGS="-Wall -O3 -fomit-frame-pointer"
 mkdir release
 cp README.txt release/
 #cp /usr/i686-w64-mingw32/lib/libwinpthread-1.dll release/
+#cp /usr/lib/gcc/i686-w64-mingw32/5.3-win32/libgcc_s_sjlj-1.dll release/
 cp /usr/x86_64-w64-mingw32/lib/libwinpthread-1.dll release/
 cp curl/lib/.libs/libcurl-4.dll release/
 
diff --git a/yescrypt.c b/yescrypt.c
index 19392f99f..29bed4c2e 100644
--- a/yescrypt.c
+++ b/yescrypt.c
@@ -31,7 +31,7 @@ int scanhash_yescrypt(int thr_id, uint32_t *pdata, const uint32_t *ptarget,
 	do {
 		pdata[19] = ++n;
 		be32enc(&endiandata[19], n); 
-		yescrypt_hash_sp((unsigned char*) &endiandata, (unsigned char*) hash64);
+		yescrypt_hash_sp((unsigned char*) &endiandata, perslen, (unsigned char*) hash64);
 		if ((hash64[7] < ptarget[7]) || ((hash64[7] == ptarget[7]) && (hash64[6] < ptarget[6])) &&
 				fulltest(hash64, ptarget)) {
 			*hashes_done = n - first_nonce + 1;
diff --git a/yescrypt.h b/yescrypt.h
index 8fb8b0e24..cdc2a31af 100755
--- a/yescrypt.h
+++ b/yescrypt.h
@@ -38,8 +38,8 @@ extern "C" {
 #endif
 
 
-extern void yescrypt_hash_sp(const char *input, char *output);
-extern void yescrypt_hash(const char *input, char *output);
+extern void yescrypt_hash_sp(const char *input, int inputlen, char *output);
+extern void yescrypt_hash(const char *input, int inputlen, char *output);
 
 
 
diff --git a/yescryptcommon.c b/yescryptcommon.c
index c0d09185c..f57d132fe 100755
--- a/yescryptcommon.c
+++ b/yescryptcommon.c
@@ -363,12 +363,12 @@ yescrypt_bsty(const uint8_t * passwd, size_t passwdlen,
 	return retval;
 }
 
-void yescrypt_hash_sp(const char *input, char *output)
+void yescrypt_hash_sp(const char *input, int inputlen, char *output)
 {
-   yescrypt_bsty((const uint8_t *)input, 80, (const uint8_t *) input, 80, 2048, 8, 1, (uint8_t *)output, 32);
+   yescrypt_bsty((const uint8_t *)input, inputlen, (const uint8_t *) input, inputlen, 2048, 8, 1, (uint8_t *)output, 32);
 }
 
-void yescrypt_hash(const char *input, char *output)
+void yescrypt_hash(const char *input, int inputlen, char *output)
 {	
-	yescrypt_hash_sp(input, output);
+       yescrypt_hash_sp(input, inputlen, output);
 }