diff --git a/src/libslic3r/AppConfig.cpp b/src/libslic3r/AppConfig.cpp
index 442b7feb6..527c65d47 100644
--- a/src/libslic3r/AppConfig.cpp
+++ b/src/libslic3r/AppConfig.cpp
@@ -374,8 +374,10 @@ void AppConfig::set_defaults()
     if (get("enable_step_mesh_setting").empty()) {
         set_bool("enable_step_mesh_setting", true);
     }
-    if (get("linear_defletion", "angle_defletion").empty()) {
+    if (get("linear_defletion").empty()) {
         set("linear_defletion", "0.003");
+    }
+    if (get("angle_defletion").empty()) {
         set("angle_defletion", "0.5");
     }