diff --git a/src/generator.c b/src/generator.c
index 79a02dce..bad61581 100644
--- a/src/generator.c
+++ b/src/generator.c
@@ -47,7 +47,7 @@ typedef struct notify_instance notify_instance_t;
 
 struct share_msg {
 	UT_hash_handle hh;
-	int64_t id; // Our own id for submitting upstream
+	int id; // Our own id for submitting upstream
 
 	int client_id;
 	time_t submit_time;
@@ -117,10 +117,6 @@ struct proxy_instance {
 
 	pthread_t pth_precv;
 
-	mutex_t share_lock;
-	share_msg_t *shares;
-	int64_t share_id;
-
 	ckmsgq_t *passsends;	// passthrough sends
 
 	char_entry_t *recvd_lines; /* Linked list of unprocessed messages */
@@ -150,6 +146,10 @@ struct generator_data {
 	pthread_cond_t psend_cond;
 
 	stratum_msg_t *psends;
+
+	mutex_t share_lock;
+	share_msg_t *shares;
+	int64_t share_id;
 };
 
 typedef struct generator_data gdata_t;
@@ -918,7 +918,6 @@ static proxy_instance_t *create_subproxy(ckpool_t *ckp, gdata_t *gdata, proxy_in
 		subproxy->disabled = false;
 	} else {
 		subproxy = ckzalloc(sizeof(proxy_instance_t));
-		mutex_init(&subproxy->share_lock);
 	}
 	mutex_unlock(&gdata->lock);
 
@@ -1419,10 +1418,10 @@ static void submit_share(gdata_t *gdata, json_t *val)
 	msg->json_msg = val;
 
 	/* Add new share entry to the share hashtable */
-	mutex_lock(&proxi->share_lock);
-	share->id = proxi->share_id++;
-	HASH_ADD_I64(proxi->shares, id, share);
-	mutex_unlock(&proxi->share_lock);
+	mutex_lock(&gdata->share_lock);
+	share->id = gdata->share_id++;
+	HASH_ADD_I64(gdata->shares, id, share);
+	mutex_unlock(&gdata->share_lock);
 
 	json_object_set_nocheck(val, "id", json_integer(share->id));
 
@@ -1446,8 +1445,8 @@ static void clear_notify(notify_instance_t *ni)
 	free(ni);
 }
 
-/* FIXME: Return something useful to the stratifier based on this result */
-static bool parse_share(proxy_instance_t *proxi, const char *buf)
+/* FIXME: Return something useful to the stratifier based on this result? */
+static bool parse_share(gdata_t *gdata, proxy_instance_t *proxi, const char *buf)
 {
 	json_t *val = NULL, *idval;
 	share_msg_t *share;
@@ -1466,11 +1465,11 @@ static bool parse_share(proxy_instance_t *proxi, const char *buf)
 	}
 	id = json_integer_value(idval);
 
-	mutex_lock(&proxi->share_lock);
-	HASH_FIND_I64(proxi->shares, &id, share);
+	mutex_lock(&gdata->share_lock);
+	HASH_FIND_I64(gdata->shares, &id, share);
 	if (share)
-		HASH_DEL(proxi->shares, share);
-	mutex_unlock(&proxi->share_lock);
+		HASH_DEL(gdata->shares, share);
+	mutex_unlock(&gdata->share_lock);
 
 	/* We set response to true even if we don't find the matching share,
 	 * so long as we recognised it as a share response */
@@ -1957,13 +1956,13 @@ static void *proxy_recv(void *arg)
 		mutex_unlock(&proxi->notify_lock);
 
 		/* Similary with shares older than 2 mins without response */
-		mutex_lock(&proxi->share_lock);
-		HASH_ITER(hh, proxi->shares, share, tmpshare) {
+		mutex_lock(&gdata->share_lock);
+		HASH_ITER(hh, gdata->shares, share, tmpshare) {
 			if (share->submit_time < now - 120) {
-				HASH_DEL(proxi->shares, share);
+				HASH_DEL(gdata->shares, share);
 			}
 		}
-		mutex_unlock(&proxi->share_lock);
+		mutex_unlock(&gdata->share_lock);
 
 		/* If we don't get an update within 10 minutes the upstream pool
 		 * has likely stopped responding. */
@@ -1988,7 +1987,7 @@ static void *proxy_recv(void *arg)
 			if (parse_method(ckp, subproxy, cs->buf))
 				continue;
 			/* If it's not a method it should be a share result */
-			if (!parse_share(subproxy, cs->buf))
+			if (!parse_share(gdata, subproxy, cs->buf))
 				LOGNOTICE("Proxy %d:%d unhandled stratum message: %s",
 					  subproxy->id, subproxy->subid, cs->buf);
 		} while ((ret = read_socket_line(cs, 0)) > 0);
@@ -2061,13 +2060,13 @@ static void *userproxy_recv(void *arg)
 		mutex_unlock(&parent->notify_lock);
 
 		/* Similary with shares older than 2 mins without response */
-		mutex_lock(&parent->share_lock);
-		HASH_ITER(hh, parent->shares, share, tmpshare) {
+		mutex_lock(&gdata->share_lock);
+		HASH_ITER(hh, gdata->shares, share, tmpshare) {
 			if (share->submit_time < now - 120) {
-				HASH_DEL(parent->shares, share);
+				HASH_DEL(gdata->shares, share);
 			}
 		}
-		mutex_unlock(&parent->share_lock);
+		mutex_unlock(&gdata->share_lock);
 
 		do {
 			/* proxy may have been recycled here if it is not a
@@ -2075,7 +2074,7 @@ static void *userproxy_recv(void *arg)
 			if (parse_method(ckp, proxy, cs->buf))
 				continue;
 			/* If it's not a method it should be a share result */
-			if (!parse_share(proxy, cs->buf))
+			if (!parse_share(gdata, proxy, cs->buf))
 				LOGNOTICE("Proxy %d:%d unhandled stratum message: %s",
 					  proxy->id, proxy->subid, cs->buf);
 		} while ((ret = read_socket_line(cs, 0)) > 0);
@@ -2212,7 +2211,6 @@ static proxy_instance_t *__add_userproxy(ckpool_t *ckp, gdata_t *gdata, const in
 	proxy->pass = pass;
 	proxy->ckp = proxy->cs.ckp = ckp;
 	mutex_init(&proxy->notify_lock);
-	mutex_init(&proxy->share_lock);
 	HASH_ADD_INT(gdata->proxies, id, proxy);
 	return proxy;
 }
@@ -2498,7 +2496,6 @@ static proxy_instance_t *__add_proxy(ckpool_t *ckp, gdata_t *gdata, const int id
 	proxy->pass = strdup(ckp->proxypass[id]);
 	proxy->ckp = proxy->cs.ckp = ckp;
 	mutex_init(&proxy->notify_lock);
-	mutex_init(&proxy->share_lock);
 	HASH_ADD_INT(gdata->proxies, id, proxy);
 	proxy->global = true;
 	return proxy;
@@ -2511,6 +2508,7 @@ static int proxy_mode(ckpool_t *ckp, proc_instance_t *pi)
 	int i, ret;
 
 	mutex_init(&gdata->lock);
+	mutex_init(&gdata->share_lock);
 
 	/* Create all our proxy structures and pointers */
 	for (i = 0; i < ckp->proxies; i++) {