diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index ddb742426..d9fb9787e 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -432,6 +432,7 @@ bool MachineObject::is_in_extrusion_cali()
     auto curr_time = std::chrono::system_clock::now();
     auto diff = std::chrono::duration_cast<std::chrono::milliseconds>(curr_time - last_extrusion_cali_start_time);
     if (diff.count() < EXTRUSION_OMIT_TIME) {
+        mc_print_percent = 0;
         return true;
     }
 
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index 65043c2d0..36e8fc0e0 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -20,7 +20,7 @@
 #define TIMEOUT_FOR_STRAT       20000.f     // milliseconds
 #define REQUEST_PUSH_MIN_TIME   15000.f     // milliseconds
 #define REQUEST_START_MIN_TIME  15000.f     // milliseconds
-#define EXTRUSION_OMIT_TIME     10000.f     // milliseconds
+#define EXTRUSION_OMIT_TIME     20000.f     // milliseconds
 
 #define FILAMENT_MAX_TEMP       300
 #define FILAMENT_DEF_TEMP       220