diff --git a/smocore/deviceManager/deviceManager.cpp b/smocore/deviceManager/deviceManager.cpp
index 4617b3f..35111ee 100644
--- a/smocore/deviceManager/deviceManager.cpp
+++ b/smocore/deviceManager/deviceManager.cpp
@@ -368,6 +368,8 @@ public:
 			return;
 		}
 
+		sense_api::SenseApiManager::getInstance().qutex.release();
+
 		/**		EXPLANATION:
 		 * We pass in either the body or world thread here, depending on whether
 		 * the device is an introspector (idev) or extrospector (edev).
@@ -441,6 +443,9 @@ public:
 			callOriginalCb(false, spec);
 			return;
 		}
+
+		sense_api::SenseApiManager::getInstance().qutex.release();
+
 		lib.senseApiDesc.sal_mgmt_libOps.detachDeviceReq(
 			spec,
 			{context, std::bind(