diff --git a/src/OrcaSlicer.cpp b/src/OrcaSlicer.cpp
index 3ed76b8976..87352f505e 100644
--- a/src/OrcaSlicer.cpp
+++ b/src/OrcaSlicer.cpp
@@ -1913,7 +1913,8 @@ int CLI::run(int argc, char **argv)
                         old_printable_width = static_cast<int>(old_printable_bbox.size().x());
                         old_printable_depth = static_cast<int>(old_printable_bbox.size().y());
                     }
-                    old_printable_height = (int)(config.opt_float("printable_height"));
+                    if (config.option<ConfigOptionFloat>("printable_height"))
+                        old_printable_height = (int)(config.opt_float("printable_height"));
 
                     if (config.option<ConfigOptionFloat>("extruder_clearance_height_to_rod"))
                         old_height_to_rod = config.opt_float("extruder_clearance_height_to_rod");