diff --git a/src/slic3r/GUI/AboutDialog.cpp b/src/slic3r/GUI/AboutDialog.cpp
index 6ffe0790d7..1e82f950c8 100644
--- a/src/slic3r/GUI/AboutDialog.cpp
+++ b/src/slic3r/GUI/AboutDialog.cpp
@@ -242,7 +242,7 @@ AboutDialog::AboutDialog()
         vesizer->Add(0, FromDIP(165), 1, wxEXPAND, FromDIP(5));
         auto version_string = _L("Orca Slicer ") + " " + std::string(SoftFever_VERSION);
         wxStaticText* version = new wxStaticText(this, wxID_ANY, version_string.c_str(), wxDefaultPosition, wxDefaultSize);
-        wxStaticText* bs_version = new wxStaticText(this, wxID_ANY, wxString::Format("Based on BambuStudio %s",std::string(SLIC3R_VERSION)), wxDefaultPosition, wxDefaultSize);
+        wxStaticText* bs_version = new wxStaticText(this, wxID_ANY, wxString::Format("Based on BambuStudio and PrusaSlicer"), wxDefaultPosition, wxDefaultSize);
         bs_version->SetFont(Label::Body_12);
         wxFont version_font = GetFont();
         #ifdef __WXMSW__
diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 6d3c389768..068f8bbda6 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -290,15 +290,13 @@ public:
         memDc.SetTextForeground(StateColor::darkModeColorFor(wxColor(134, 134, 134)));
         memDc.DrawLabel(m_constant_text.version, version_rect, wxALIGN_LEFT | wxALIGN_BOTTOM);
 
-// #if BBL_INTERNAL_TESTING
-        auto bs_version = wxString::Format("Based on BambuStudio %s",std::string(SLIC3R_VERSION)).ToStdString();
+        auto bs_version = wxString::Format("Based on PrusaSlicer BambuStudio").ToStdString();
         memDc.SetFont(Label::Body_12);
         wxSize text_rect = memDc.GetTextExtent(bs_version);
         int start_x = (title_rect.GetLeft() + version_rect.GetRight()) / 2 - text_rect.GetWidth()/2;
         int start_y = version_rect.GetBottom() + 10;
         wxRect internal_sign_rect(wxPoint(start_x, start_y), wxSize(text_rect));
         memDc.DrawLabel(bs_version, internal_sign_rect, wxALIGN_RIGHT);
-// #endif
 
         // load bitmap for logo
         BitmapCache bmp_cache;