diff --git a/src/slic3r/Utils/CalibUtils.cpp b/src/slic3r/Utils/CalibUtils.cpp
index d1cda10dd4..ec903017bc 100644
--- a/src/slic3r/Utils/CalibUtils.cpp
+++ b/src/slic3r/Utils/CalibUtils.cpp
@@ -15,7 +15,7 @@
 namespace Slic3r {
 namespace GUI {
 const float MIN_PA_K_VALUE = 0.0;
-const float MAX_PA_K_VALUE = 1.0;
+const float MAX_PA_K_VALUE = 2.0;
 
 std::unique_ptr<Worker> CalibUtils::print_worker;
 wxString wxstr_temp_dir = fs::path(fs::temp_directory_path() / "calib").wstring();