diff --git a/src/ipc.c b/src/ipc.c
index ed1c18ed..78677b84 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -14,23 +14,33 @@
 
 const  gint8 magic[6] = {0x69, 0x33, 0x2d, 0x69, 0x70, 0x63};
 
-json_object *ipc_poll ( int sock )
+json_object *ipc_poll ( int sock, gint32 *etype )
 {
   gint8 ipc_header[14];
   gchar *response = NULL;
   gint32 plen;
   size_t pos=0;
+  ssize_t rlen;
 
-  if(recv(sock,(gchar *)ipc_header,sizeof(ipc_header),0)==sizeof(ipc_header))
+  while(pos<sizeof(ipc_header))
   {
-    memcpy(&plen,ipc_header+sizeof(magic)+sizeof(plen),sizeof(plen));
+    rlen = recv(sock,(gchar *)ipc_header,sizeof(ipc_header)-pos,0);
+    if (rlen<=0)
+      break;
+    pos+=rlen;
+  }
+
+  if(pos==sizeof(ipc_header))
+  {
+    pos=0;
+    memcpy(etype,ipc_header+sizeof(magic)+sizeof(plen),sizeof(plen));
     memcpy(&plen,ipc_header+sizeof(magic),sizeof(plen));
     response = g_malloc(plen+1);
     if ( response != NULL)
     {
       while(pos<plen)
       {
-        ssize_t rlen = recv(sock,(gchar *)response,plen,0);
+        rlen = recv(sock,(gchar *)response,plen-pos,0);
         if (rlen<=0)
           break;
         pos+=rlen;
diff --git a/src/placement.c b/src/placement.c
index c73d5c9c..19d280cd 100644
--- a/src/placement.c
+++ b/src/placement.c
@@ -139,12 +139,13 @@ json_object *placement_find_pid ( json_object *obj, gint64 pid )
 void place_window ( gint64 pid, struct context *context )
 {
   int sock;
+  gint32 etype;
   char buff[256];
   struct rect r;
   json_object *obj, *node;
   sock = ipc_open();
   ipc_send(sock,4,"");
-  obj = ipc_poll(sock);
+  obj = ipc_poll(sock,&etype);
   node = placement_find_pid ( obj, pid );
   placement_location(context,node,pid,&r);
   json_object_put(obj);
diff --git a/src/sfwbar.c b/src/sfwbar.c
index c6f424c3..f05f61e4 100644
--- a/src/sfwbar.c
+++ b/src/sfwbar.c
@@ -79,16 +79,18 @@ gint shell_timer ( struct context *context )
 {
   json_object *obj;
   struct ipc_event ev;
+  gint32 etype;
 
   scanner_expire(context->scan_list);
   widget_update_all(context);
-  obj = ipc_poll(context->ipc);
+  obj = ipc_poll(context->ipc,&etype);
   while (obj != NULL)
   {
     ev = ipc_parse_event(obj);
-    dispatch_event(&ev,context);
+    if(etype==0x80000003)
+      dispatch_event(&ev,context);
     json_object_put(obj);
-    obj = ipc_poll(context->ipc);
+    obj = ipc_poll(context->ipc,&etype);
   }
   return TRUE;
 }
diff --git a/src/sfwbar.h b/src/sfwbar.h
index 012338ff..d3afedb2 100644
--- a/src/sfwbar.h
+++ b/src/sfwbar.h
@@ -68,7 +68,7 @@ struct scan_file {
 
 int ipc_open();
 int ipc_subscribe( int sock );
-json_object *ipc_poll( int sock );
+json_object *ipc_poll( int sock, gint32 *etype );
 int ipc_send ( int sock, gint32 type, gchar *command );
 struct ipc_event ipc_parse_event ( json_object *obj );
 
diff --git a/src/taskbar.c b/src/taskbar.c
index df52daec..a8da2cad 100644
--- a/src/taskbar.c
+++ b/src/taskbar.c
@@ -33,11 +33,12 @@ void taskbar_populate ( struct context *context )
 {
   json_object *obj;
   int sock;
+  gint32 etype;
   sock=ipc_open();
   if(sock==-1)
     return;
   ipc_send(sock,4,"");
-  obj = ipc_poll(sock);
+  obj = ipc_poll(sock,&etype);
   if(obj!=NULL)
   {
     taskbar_traverse_tree(obj,context);