diff --git a/src/io/piconnection.cpp b/src/io/piconnection.cpp
index 2355987a..4ce54abf 100755
--- a/src/io/piconnection.cpp
+++ b/src/io/piconnection.cpp
@@ -323,6 +323,7 @@ PIIODevice * PIConnection::addDevice(const PIString & full_path, PIIODevice::Dev
 			d->setInterval(10.);
 			diags_[dev] = d;
 			CONNECTU(d, qualityChanged, this, diagQualityChanged);
+			__device_pool__->init();
 		}
 		__device_pool__->unlock();
 	}
@@ -857,6 +858,19 @@ bool PIConnection::isFakeMode() {
 
 
 
+PIConnection::DevicePool::DevicePool(): PIThread(false, 10) {
+	setName("PIConnection::DevicePool");
+	needLockRun(true);
+	fake = false;
+}
+
+
+void PIConnection::DevicePool::init() {
+	if (!isRunning())
+		start(10);
+}
+
+
 PIIODevice * PIConnection::DevicePool::addDevice(PIConnection * parent, const PIString & fp, PIIODevice::DeviceMode mode, bool start) {
 	DeviceData * dd = devices[fp];
 	int pmode(0);
diff --git a/src/io/piconnection.h b/src/io/piconnection.h
index 3c87ead0..76f20292 100755
--- a/src/io/piconnection.h
+++ b/src/io/piconnection.h
@@ -278,8 +278,9 @@ public:
 		PIOBJECT_SUBCLASS(DevicePool, PIThread)
 		friend class PIConnection;
 	public:
-		DevicePool(): PIThread(true, 10) {setName("PIConnection::DevicePool"); needLockRun(true); fake = false;}
+		DevicePool();
 		
+		void init();
 		PIIODevice * addDevice(PIConnection * parent, const PIString & fp, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite, bool start = true);
 		bool removeDevice(PIConnection * parent, const PIString & fp);
 		void unboundConnection(PIConnection * parent);