diff --git a/src/platform/windows.rs b/src/platform/windows.rs
index 6d50b8633..e4e1dd893 100644
--- a/src/platform/windows.rs
+++ b/src/platform/windows.rs
@@ -974,7 +974,7 @@ fn get_after_install(exe: &str) -> String {
     reg add HKEY_CLASSES_ROOT\\.{ext}\\shell\\open /f
     reg add HKEY_CLASSES_ROOT\\.{ext}\\shell\\open\\command /f
     reg add HKEY_CLASSES_ROOT\\.{ext}\\shell\\open\\command /f /ve /t REG_SZ /d \"\\\"{exe}\\\" --play \\\"%%1\\\"\"
-    reg delete HKEY_CURRENT_USER\Software\Classes\\{exe} /f
+    reg delete HKEY_CURRENT_USER\\Software\\Classes\\{exe} /f
     reg add HKEY_CLASSES_ROOT\\{ext} /f
     reg add HKEY_CLASSES_ROOT\\{ext} /f /v \"URL Protocol\" /t REG_SZ /d \"\"
     reg add HKEY_CLASSES_ROOT\\{ext}\\shell /f