diff --git a/app/main.cpp b/app/main.cpp
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -38,6 +38,7 @@
 // Local
 #include <lib/about.h>
 #include <lib/imageformats/imageformats.h>
+#include <lib/gwenviewconfig.h>
 #include "mainwindow.h"
 
 #ifdef HAVE_FITS
@@ -151,7 +152,9 @@
 
     // startHelper must live for the whole life of the application
     StartHelper startHelper(parser.positionalArguments(),
-                            parser.isSet(QStringLiteral("f")),
+                            parser.isSet(QStringLiteral("f"))
+                                ? true
+                                : Gwenview::GwenviewConfig::fullScreenModeActive(),
                             parser.isSet(QStringLiteral("s")));
     if (app.isSessionRestored()) {
         kRestoreMainWindows<Gwenview::MainWindow>();
diff --git a/app/mainwindow.cpp b/app/mainwindow.cpp
--- a/app/mainwindow.cpp
+++ b/app/mainwindow.cpp
@@ -1491,6 +1491,7 @@
     d->mViewMainPage->saveConfig();
     d->mBrowseMainPage->saveConfig();
     d->mContextManager->saveConfig();
+    GwenviewConfig::setFullScreenModeActive(isFullScreen());
 }
 
 void MainWindow::print()
diff --git a/lib/gwenviewconfig.kcfg b/lib/gwenviewconfig.kcfg
--- a/lib/gwenviewconfig.kcfg
+++ b/lib/gwenviewconfig.kcfg
@@ -114,6 +114,9 @@
         <entry name="ShowFullScreenThumbnails" type="Bool">
             <default>true</default>
         </entry>
+        <entry name="FullScreenModeActive" type="Bool">
+            <default>false</default>
+        </entry>
     </group>
 
     <group name="ImageView">