diff --git a/src/windows/Config_windows.cpp b/src/windows/Config_windows.cpp
index b5255cde..309bda6d 100644
--- a/src/windows/Config_windows.cpp
+++ b/src/windows/Config_windows.cpp
@@ -11,6 +11,9 @@ Config config;
 
 void Config_DoConfig(/*HWND hParent*/)
 {
+	if (ConfigOpen)
+		return;
+
 	wchar_t strIniFolderPath[PLUGIN_PATH_SIZE];
 	api().FindPluginPath(strIniFolderPath);