diff --git a/resources/profiles/QIDITechnology.ini b/resources/profiles/QIDITechnology.ini
index d9a293e..fb8ac8c 100644
--- a/resources/profiles/QIDITechnology.ini
+++ b/resources/profiles/QIDITechnology.ini
@@ -127,7 +127,7 @@ ironing_speed = 30
 ironing_type = top
 layer_height = 0.2
 make_overhang_printable = 0
-make_overhang_printable_angle = 55
+make_overhang_printable_angle = 45
 make_overhang_printable_hole_size = 0
 max_bridge_length = 10
 max_print_speed = 600
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 3bd071d..616ba9f 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -3716,7 +3716,7 @@ void PrintConfigDef::init_fff_params()
     def->mode     = comAdvanced;
     def->min      = 0.;
     def->max      = 90.;
-    def->set_default_value(new ConfigOptionFloat(55.));
+    def->set_default_value(new ConfigOptionFloat(45.));
 
     def           = this->add("make_overhang_printable_hole_size", coFloat);
     def->label    = L("Make overhang printable hole area");