diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index b9fa087b8e..24852d758f 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -4350,11 +4350,16 @@ void DeviceManager::keep_alive()
         obj->keep_alive_count++;
         std::chrono::system_clock::time_point start = std::chrono::system_clock::now();
         auto internal = std::chrono::duration_cast<std::chrono::milliseconds>(start - obj->last_keep_alive);
-        if (internal.count() > TIMEOUT_FOR_KEEPALIVE && internal.count() < 1000 * 60 * 60 * 300) {
+        if (internal.count() > TIMEOUT_FOR_KEEPALIVE && (internal.count() < 1000 * 60 * 60 * 300) ) {
             BOOST_LOG_TRIVIAL(info) << "keep alive = " << internal.count() << ", count = " << obj->keep_alive_count;
             obj->command_request_push_all();
             obj->last_keep_alive = start;
         }
+        else if(obj->m_push_count == 0){
+            BOOST_LOG_TRIVIAL(info) << "keep alive = " << internal.count() << ", push_count = 0, count = " << obj->keep_alive_count;
+            obj->command_request_push_all();
+            obj->last_keep_alive = start;
+        }
     }
 }
 
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index e6802b09ab..300099d846 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -20,7 +20,7 @@
 #define PUSHINFO_TIMEOUT        15000.f     // milliseconds
 #define TIMEOUT_FOR_STRAT       20000.f     // milliseconds
 #define TIMEOUT_FOR_KEEPALIVE   5* 60 * 1000.f     // milliseconds
-#define REQUEST_PUSH_MIN_TIME   15000.f     // milliseconds
+#define REQUEST_PUSH_MIN_TIME   3000.f     // milliseconds
 #define REQUEST_START_MIN_TIME  15000.f     // milliseconds
 #define EXTRUSION_OMIT_TIME     20000.f     // milliseconds
 #define HOLD_TIMEOUT            10000.f     // milliseconds