diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 0a75e0c..f1d0329 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -3561,6 +3561,7 @@ std::string GCode::set_object_range(Print &print)
             std::replace(name.begin(), name.end(), '#', '_');
             std::replace(name.begin(), name.end(), '*', '_');
             std::replace(name.begin(), name.end(), ':', '_');
+            std::replace(name.begin(), name.end(), ';', '_');
             gcode += (std::string("EXCLUDE_OBJECT_DEFINE NAME=") + name);
             std::snprintf(buffer, sizeof(buffer) - 1, " CENTER=%.3f,%.3f", unscale<float>(center[0]), unscale<float>(center[1]));
             gcode += buffer + std::string(" POLYGON=[");