diff --git a/src/frontend/qt_sdl/EmuSettingsDialog.cpp b/src/frontend/qt_sdl/EmuSettingsDialog.cpp
index 77301b71..64950e8b 100644
--- a/src/frontend/qt_sdl/EmuSettingsDialog.cpp
+++ b/src/frontend/qt_sdl/EmuSettingsDialog.cpp
@@ -98,6 +98,7 @@ void EmuSettingsDialog::verifyFirmware()
     char filename[1024];
     strncpy(filename, ui->txtFirmwarePath->text().toStdString().c_str(), 1023); filename[1023] = '\0';
     FILE* f = Platform::OpenLocalFile(filename, "rb");
+    if (!f) return;
     u8 chk1[0x180], chk2[0x180];
 
     fseek(f, 0, SEEK_SET);
@@ -163,8 +164,8 @@ void EmuSettingsDialog::done(int r)
             || strcmp(Config::DSiNANDPath, dsiNANDPath.c_str()) != 0)
         {
             if (RunningSomething
-                && QMessageBox::warning(this, "Reset necessary to apply changes", 
-                    "The emulation will be reset for the changes to take place", 
+                && QMessageBox::warning(this, "Reset necessary to apply changes",
+                    "The emulation will be reset for the changes to take place",
                     QMessageBox::Yes, QMessageBox::Cancel) != QMessageBox::Yes)
                 return;
 
@@ -290,4 +291,4 @@ void EmuSettingsDialog::on_chkEnableJIT_toggled()
     ui->chkJITLiteralOptimisations->setDisabled(disabled);
     ui->chkJITFastMemory->setDisabled(disabled);
     ui->spnJITMaximumBlockSize->setDisabled(disabled);
-}
\ No newline at end of file
+}