diff --git a/resources/wx_gui/gui_install_oc.py b/resources/wx_gui/gui_install_oc.py
index b8236745b..00fbf092b 100644
--- a/resources/wx_gui/gui_install_oc.py
+++ b/resources/wx_gui/gui_install_oc.py
@@ -81,6 +81,7 @@ class InstallOCFrame(wx.Frame):
             for string in ignore:
                 if string in self.available_disks[disk]['name'].lower():
                     del self.available_disks[disk]
+                    break
 
 
     def _display_disks(self) -> None:
diff --git a/resources/wx_gui/gui_macos_installer_flash.py b/resources/wx_gui/gui_macos_installer_flash.py
index fdf717db8..544afcd04 100644
--- a/resources/wx_gui/gui_macos_installer_flash.py
+++ b/resources/wx_gui/gui_macos_installer_flash.py
@@ -161,6 +161,7 @@ class macOSInstallerFlashFrame(wx.Frame):
                 for string in ignore:
                     if string in self.available_disks[disk]['name'].lower():
                         del self.available_disks[disk]
+                        break
 
 
         thread = threading.Thread(target=_fetch_disks)