diff --git a/src/libslic3r/PrintBase.hpp b/src/libslic3r/PrintBase.hpp
index 5e94e011a..647c24c1c 100644
--- a/src/libslic3r/PrintBase.hpp
+++ b/src/libslic3r/PrintBase.hpp
@@ -507,9 +507,9 @@ protected:
     bool            set_started(PrintStepEnum step) { return m_state.set_started(step, this->state_mutex(), [this](){ this->throw_if_canceled(); }); }
 	PrintStateBase::TimeStamp set_done(PrintStepEnum step) { 
 		std::pair<PrintStateBase::TimeStamp, bool> status = m_state.set_done(step, this->state_mutex(), [this](){ this->throw_if_canceled(); });
-    	if (status.second)
-    		this->status_update_warnings(this->id(), static_cast<int>(step), PrintStateBase::WarningLevel::NON_CRITICAL, std::string());
-		return status.first;
+        if (status.second)
+            this->status_update_warnings(this->id(), static_cast<int>(step), PrintStateBase::WarningLevel::NON_CRITICAL, std::string());
+        return status.first;
 	}
     bool            invalidate_step(PrintStepEnum step)
 		{ return m_state.invalidate(step, this->cancel_callback()); }
@@ -556,9 +556,9 @@ protected:
         { return m_state.set_started(step, PrintObjectBase::state_mutex(m_print), [this](){ this->throw_if_canceled(); }); }
 	PrintStateBase::TimeStamp set_done(PrintObjectStepEnum step) { 
 		std::pair<PrintStateBase::TimeStamp, bool> status = m_state.set_done(step, PrintObjectBase::state_mutex(m_print), [this](){ this->throw_if_canceled(); });
-    	if (status.second)
-    		this->status_update_warnings(m_print, static_cast<int>(step), PrintStateBase::WarningLevel::NON_CRITICAL, std::string());
-		return status.first;
+        if (status.second)
+            this->status_update_warnings(m_print, static_cast<int>(step), PrintStateBase::WarningLevel::NON_CRITICAL, std::string());
+        return status.first;
 	}
 
     bool            invalidate_step(PrintObjectStepEnum step)
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 2c330b60e..027611750 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -2841,7 +2841,7 @@ void Plater::priv::export_gcode(fs::path output_path, bool output_path_on_remova
     if ((state & priv::UPDATE_BACKGROUND_PROCESS_INVALID) != 0)
         return;
 
-	show_warning_dialog = true;
+    show_warning_dialog = true;
     if (! output_path.empty()) {
         background_process.schedule_export(output_path.string(), output_path_on_removable_media);
     } else {
@@ -4697,8 +4697,8 @@ void Plater::export_gcode(bool prefer_removable)
     if (p->model.objects.empty())
         return;
 
-	if (p->process_completed_with_error)//here
-		return;
+    if (p->process_completed_with_error)//here
+        return;
 
     // If possible, remove accents from accented latin characters.
     // This function is useful for generating file names to be processed by legacy firmwares.