diff --git a/mongoose.c b/mongoose.c
index e37cdaf6..1cdd2745 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -714,7 +714,7 @@ bool mg_wakeup(struct mg_mgr *mgr, unsigned long conn_id, const void *buf,
   if (mgr->pipe.q == NULL || conn_id == 0) return false;
   m = (struct wumsg *) calloc(1, sizeof(*m) + len);
   if (m == NULL) {
-    MG_ERROR("OOM");
+    MG_ERROR(("OOM"));
     return false;
   }
   m->id = conn_id;
@@ -722,7 +722,7 @@ bool mg_wakeup(struct mg_mgr *mgr, unsigned long conn_id, const void *buf,
   memcpy(m->data, buf, len);
   if (xQueueSend((QueueHandle_t) mgr->pipe.q, &m, 0) != pdTRUE) {
     free(m);
-    MG_ERROR("xQueueSend");
+    MG_ERROR(("xQueueSend"));
     return false;
   }
   return true;
diff --git a/mongoose.h b/mongoose.h
index eb33c90f..14357da6 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -4903,7 +4903,6 @@ struct mg_tcpip_spi {
 #else
 #include <errno.h>
 typedef unsigned int socklen_t;
-typedef int ssize_t;
 typedef uint32_t in_addr_t;
 struct in_addr { in_addr_t s_addr; };
 struct in6_addr { uint8_t s6_addr[16]; };
diff --git a/src/bsd.c b/src/bsd.c
index 166b78a7..66a126ec 100644
--- a/src/bsd.c
+++ b/src/bsd.c
@@ -593,7 +593,7 @@ bool mg_wakeup(struct mg_mgr *mgr, unsigned long conn_id, const void *buf,
   if (mgr->pipe.q == NULL || conn_id == 0) return false;
   m = (struct wumsg *) calloc(1, sizeof(*m) + len);
   if (m == NULL) {
-    MG_ERROR("OOM");
+    MG_ERROR(("OOM"));
     return false;
   }
   m->id = conn_id;
@@ -601,7 +601,7 @@ bool mg_wakeup(struct mg_mgr *mgr, unsigned long conn_id, const void *buf,
   memcpy(m->data, buf, len);
   if (xQueueSend((QueueHandle_t) mgr->pipe.q, &m, 0) != pdTRUE) {
     free(m);
-    MG_ERROR("xQueueSend");
+    MG_ERROR(("xQueueSend"));
     return false;
   }
   return true;
diff --git a/src/bsd.h b/src/bsd.h
index 6ace82c4..88b49210 100644
--- a/src/bsd.h
+++ b/src/bsd.h
@@ -20,7 +20,6 @@
 #else
 #include <errno.h>
 typedef unsigned int socklen_t;
-typedef int ssize_t;
 typedef uint32_t in_addr_t;
 struct in_addr { in_addr_t s_addr; };
 struct in6_addr { uint8_t s6_addr[16]; };