diff --git a/CMakeLists.txt b/CMakeLists.txt
index d4421503..9fbf0619 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@
 cmake_minimum_required(VERSION 3.13)
 
 project(OpenOCPP DESCRIPTION "Open Source C++ implementation of the OCPP 1.6 protocol"
-                 VERSION 1.3.0
+                 VERSION 1.3.1
 )
 
 # Definitions for Version.h file
diff --git a/examples/common/config/OcppConfig.cpp b/examples/common/config/OcppConfig.cpp
index 3c53f5a9..6c4db9be 100644
--- a/examples/common/config/OcppConfig.cpp
+++ b/examples/common/config/OcppConfig.cpp
@@ -200,8 +200,8 @@ ocpp::types::ConfigurationStatus OcppConfig::setConfiguration(const std::string&
             std::size_t key_is_interval = key.find("Interval");
             if (key_is_interval != std::string::npos)
             {
-                std::size_t value_is_negative = key.find("-");
-                if (value_is_negative)
+                std::size_t value_is_negative = value.find("-");
+                if (value_is_negative != std::string::npos)
                 {
                     ret = ConfigurationStatus::Rejected;
                 }
diff --git a/src/chargepoint/smartcharging/SmartChargingManager.cpp b/src/chargepoint/smartcharging/SmartChargingManager.cpp
index 4f67999d..0ca28601 100644
--- a/src/chargepoint/smartcharging/SmartChargingManager.cpp
+++ b/src/chargepoint/smartcharging/SmartChargingManager.cpp
@@ -303,6 +303,7 @@ bool SmartChargingManager::handleMessage(const ocpp::messages::SetChargingProfil
                         }
                         else
                         {
+                            ret = false;
                             error_message = "Recurring profiles must have a start schedule and a duration";
                         }
                     }
diff --git a/src/rpc/RpcBase.cpp b/src/rpc/RpcBase.cpp
index 65afaa16..dcfd978a 100644
--- a/src/rpc/RpcBase.cpp
+++ b/src/rpc/RpcBase.cpp
@@ -231,6 +231,7 @@ void RpcBase::start()
         {
             // Start reception thread
             m_requests_queue.setEnable(true);
+            m_results_queue.setEnable(true);
             m_rx_thread = new std::thread(std::bind(&RpcBase::rxThread, this));
         }
     }
diff --git a/src/websockets/WebsocketFactory.cpp b/src/websockets/WebsocketFactory.cpp
index 6858f654..ef3044c8 100644
--- a/src/websockets/WebsocketFactory.cpp
+++ b/src/websockets/WebsocketFactory.cpp
@@ -98,7 +98,7 @@ bool WebsocketFactory::setClientPoolCount(size_t count)
 /** @brief Start the client pools */
 bool WebsocketFactory::startClientPools()
 {
-    bool ret = false;
+    bool ret = true;
 
     std::lock_guard<std::mutex> lock(s_client_pools_mutex);
     if (!s_client_pools.empty())
@@ -115,7 +115,7 @@ bool WebsocketFactory::startClientPools()
 /** @brief Stop the client pools */
 bool WebsocketFactory::stopClientPools()
 {
-    bool ret = false;
+    bool ret = true;
 
     std::lock_guard<std::mutex> lock(s_client_pools_mutex);
     if (!s_client_pools.empty())