diff --git a/platform/platform-impl/src/com/intellij/openapi/keymap/impl/IdeKeyEventDispatcher.java b/platform/platform-impl/src/com/intellij/openapi/keymap/impl/IdeKeyEventDispatcher.java
index 9041f709ef51..0a51cdbac814 100644
--- a/platform/platform-impl/src/com/intellij/openapi/keymap/impl/IdeKeyEventDispatcher.java
+++ b/platform/platform-impl/src/com/intellij/openapi/keymap/impl/IdeKeyEventDispatcher.java
@@ -447,8 +447,8 @@ public final class IdeKeyEventDispatcher implements Disposable {
       return true;
     }
 
-    if (SystemInfo.isMac && InputEvent.ALT_DOWN_MASK == e.getModifiersEx() && Registry.is("ide.mac.alt.mnemonic.without.ctrl")) {
-      // the myIgnoreNextKeyTypedEvent changes event processing to support Alt-based mnemonics on Mac only
+    if (InputEvent.ALT_DOWN_MASK == e.getModifiersEx() && (!SystemInfo.isMac || Registry.is("ide.mac.alt.mnemonic.without.ctrl"))) {
+      // the myIgnoreNextKeyTypedEvent changes event processing to support Alt-based mnemonics
       if ((KeyEvent.KEY_TYPED == e.getID() && !IdeEventQueue.getInstance().isInputMethodEnabled()) ||
           hasMnemonicInWindow(focusOwner, e)) {
         myIgnoreNextKeyTypedEvent = true;