diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index ba83b865..bdee5656 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -1303,9 +1303,9 @@ void FurnaceGUI::openFileDialog(FurnaceGUIFileDialogs type) {
       if (!dirExists(workingDirIns)) workingDirIns=getHomeDir();
       hasOpened=fileDialog->openLoad(
         "Load Instrument",
-        {"compatible files", "*.fui *.dmp *.tfi *.vgi *.s3i *.sbi *.ff",
+        {"compatible files", "*.fui *.dmp *.tfi *.vgi *.s3i *.sbi *.bnk *.ff",
          "all files", ".*"},
-        "compatible files{.fui,.dmp,.tfi,.vgi,.s3i,.sbi,.ff},.*",
+        "compatible files{.fui,.dmp,.tfi,.vgi,.s3i,.sbi,.bnk,.ff},.*",
         workingDirIns,
         dpiScale
       );
diff --git a/src/gui/settings.cpp b/src/gui/settings.cpp
index f4d62a81..d9495f97 100644
--- a/src/gui/settings.cpp
+++ b/src/gui/settings.cpp
@@ -2437,6 +2437,7 @@ void FurnaceGUI::applyUISettings(bool updateFonts) {
   ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".vgi",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
   ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".s3i",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
   ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".sbi",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
+  ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".bnk",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
   ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".fti",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
   ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".bti",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);
   ImGuiFileDialog::Instance()->SetFileStyle(IGFD_FileStyleByExtension,".ff",uiColors[GUI_COLOR_FILE_INSTR],ICON_FA_FILE);