diff --git a/src/slic3r/GUI/Jobs/PrintJob.cpp b/src/slic3r/GUI/Jobs/PrintJob.cpp
index 98f0308d5..944f622a4 100644
--- a/src/slic3r/GUI/Jobs/PrintJob.cpp
+++ b/src/slic3r/GUI/Jobs/PrintJob.cpp
@@ -253,6 +253,11 @@ void PrintJob::process()
     if (params.preset_name.empty()) {params.preset_name = wxString::Format("%s_plate_%d", m_project_name, curr_plate_idx).ToStdString();}
     if (params.project_name.empty()) {params.project_name = m_project_name;}
 
+    //Prevent string length from exceeding 100 bytes
+    if (params.project_name.size() >= 100) {
+        params.project_name = params.project_name.substr(0, 99);
+    }
+    
     wxString error_text;
     wxString msg_text;
 
diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index ddd732d6a..d5fe44cf7 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -2842,6 +2842,11 @@ void SelectMachineDialog::on_rename_enter()
         m_valid_type = NoValid;
     }
 
+    if (m_valid_type == Valid && new_file_name.size()  >= 100) {
+        info_line = _L("The name length exceeds the limit.");
+        m_valid_type = NoValid;
+    }
+
     if (m_valid_type != Valid) {
         MessageDialog msg_wingow(nullptr, info_line, "", wxICON_WARNING | wxOK);
         if (msg_wingow.ShowModal() == wxID_OK) {