diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp
index 42643f98276..0a1c3ca39b5 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.cpp
+++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp
@@ -62,7 +62,6 @@ OpenGLSdlGraphicsManager::OpenGLSdlGraphicsManager(SdlEventSource *eventSource,
 	_engineRequestedHeight(0) {
 	ConfMan.registerDefault("antialiasing", 0);
 	ConfMan.registerDefault("aspect_ratio", true);
-	ConfMan.registerDefault("vsync", true);
 
 	_sideTextures[0] = _sideTextures[1] = nullptr;
 
diff --git a/backends/platform/android/android.cpp b/backends/platform/android/android.cpp
index 906601a24ac..0cdab187ce4 100644
--- a/backends/platform/android/android.cpp
+++ b/backends/platform/android/android.cpp
@@ -348,7 +348,6 @@ void OSystem_Android::initBackend() {
 	ConfMan.set("fullscreen", "true");
 	ConfMan.registerDefault("aspect_ratio", true);
 	ConfMan.registerDefault("touchpad_mouse_mode", true);
-	ConfMan.registerDefault("vsync", true);
 
 	ConfMan.setInt("autosave_period", 0);
 	ConfMan.setBool("FM_high_quality", false);
diff --git a/base/commandLine.cpp b/base/commandLine.cpp
index 823a6d7f79f..b6c693ae24c 100644
--- a/base/commandLine.cpp
+++ b/base/commandLine.cpp
@@ -260,6 +260,7 @@ void registerDefaults() {
 	ConfMan.registerDefault("show_fps", false);
 	ConfMan.registerDefault("dirtyrects", true);
 	ConfMan.registerDefault("bpp", 0);
+	ConfMan.registerDefault("vsync", true);
 // ResidualVM specific end
 
 	// Sound & Music