diff --git a/CMakeLists.txt b/CMakeLists.txt
index de48b8977d..c3cd226216 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -124,11 +124,22 @@ if(NOT GIT_REVISION)
 endif()
 message(STATUS "Git Revision ${GIT_REVISION}")
 
-set(REMMINA_DATADIR "${CMAKE_INSTALL_FULL_DATADIR}")
-set(REMMINA_LOCALEDIR "${CMAKE_INSTALL_FULL_LOCALEDIR}")
-set(REMMINA_PLUGINDIR "${CMAKE_INSTALL_FULL_LIBDIR}/remmina/plugins")
-set(REMMINA_UIDIR "${CMAKE_INSTALL_FULL_DATADIR}/remmina/ui")
+if(NOT UNIQUE_APPNAME)
+    set(UNIQUE_APPNAME "org.Remmina")
+endif()
 
+if(NOT REMMINA_DATADIR)
+    set(REMMINA_DATADIR "${CMAKE_INSTALL_FULL_DATADIR}")
+endif()
+if(NOT REMMINA_LOCALEDIR)
+    set(REMMINA_LOCALEDIR "${CMAKE_INSTALL_FULL_LOCALEDIR}")
+endif()
+if(NOT REMMINA_PLUGINDIR)
+    set(REMMINA_PLUGINDIR "${CMAKE_INSTALL_FULL_LIBDIR}/remmina/plugins")
+endif()
+if(NOT REMMINA_UIDIR)
+    set(REMMINA_UIDIR "${REMMINA_DATADIR}/remmina/ui")
+endif()
 
 # Uninstall support
 configure_file(
diff --git a/config.h.in b/config.h.in
index 769295740e..74feaf1bec 100644
--- a/config.h.in
+++ b/config.h.in
@@ -16,6 +16,7 @@
 #cmakedefine GTK_VERSION	${GTK_VERSION}
 
 #define remmina			"remmina"
+#define UNIQUE_APPNAME		"${UNIQUE_APPNAME}"
 #define VERSION			"${REMMINA_VERSION}"
 #define GIT_REVISION		"${GIT_REVISION}"
 
diff --git a/remmina/src/remmina.c b/remmina/src/remmina.c
index 618548411b..42c9bfe37c 100644
--- a/remmina/src/remmina.c
+++ b/remmina/src/remmina.c
@@ -222,6 +222,7 @@ int main(int argc, char* argv[])
 {
 	TRACE_CALL("main");
 	GtkApplication *app;
+	const gchar *app_id;
 	int status;
 
 	gdk_set_allowed_backends("x11,broadway,quartz,wayland,mir");
@@ -249,7 +250,8 @@ int main(int argc, char* argv[])
 	gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
 #endif /* !HAVE_LIBGCRYPT */
 
-	app = gtk_application_new("org.Remmina", G_APPLICATION_HANDLES_COMMAND_LINE);
+	app_id = g_application_id_is_valid(UNIQUE_APPNAME) ? UNIQUE_APPNAME : NULL;
+	app = gtk_application_new(app_id, G_APPLICATION_HANDLES_COMMAND_LINE);
 	g_signal_connect(app, "startup", G_CALLBACK(remmina_on_startup), NULL);
 	g_signal_connect(app, "command-line", G_CALLBACK(remmina_on_command_line), NULL);
 	g_signal_connect(app, "handle-local-options", G_CALLBACK(remmina_on_local_cmdline), NULL);