diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index 0e40e84..03ac3e6 100644
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -85,7 +85,7 @@ SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent), ui(new Ui::Se
 #endif
     ui->fpsMax->setValue(settings::settings().value("recording/framerate", 30).toInt());
     ui->focusedCapture->setText(settings::settings().value("command/activeCommand", "").toString());
-    ui->fullscreenCapture->setText(settings::settings().value("command/fullscreenCommand", 0).toString());
+    ui->fullscreenCapture->setText(settings::settings().value("command/fullscreenCommand", "").toString());
 }
 
 void SettingsDialog::setScheme(QString scheme) {
diff --git a/src/utils.cpp b/src/utils.cpp
index 35bbc73..eec6641 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -148,6 +148,9 @@ void utils::externalScreenshot(std::function<void(QPixmap)> callback) {
                          }
                          QFile(tempPath).remove();
                      });
+    QObject::connect(process, &QProcess::errorOccurred, [](QProcess::ProcessError err) {
+        if (err == QProcess::FailedToStart) settings::settings().remove("command/fullscreenCommand");
+    });
     process->start(args.takeFirst(), args);
 }
 
@@ -177,5 +180,8 @@ void utils::externalScreenshotActive(std::function<void(QPixmap)> callback) {
                          }
                          QFile(tempPath).remove();
                      });
+    QObject::connect(process, &QProcess::errorOccurred, [](QProcess::ProcessError err) {
+        if (err == QProcess::FailedToStart) settings::settings().remove("command/activeCommand");
+    });
     process->start(args.takeFirst(), args);
 }