diff --git a/core/os/keyboard.h b/core/os/keyboard.h
index 2051973336..1485c51987 100644
--- a/core/os/keyboard.h
+++ b/core/os/keyboard.h
@@ -249,7 +249,7 @@ enum class Key {
 
 enum class KeyModifierMask {
 	CODE_MASK = ((1 << 23) - 1), ///< Apply this mask to any keycode to remove modifiers.
-	MODIFIER_MASK = (0x7F << 22), ///< Apply this mask to isolate modifiers.
+	MODIFIER_MASK = (0x7F << 24), ///< Apply this mask to isolate modifiers.
 	//RESERVED = (1 << 23),
 	CMD_OR_CTRL = (1 << 24),
 	SHIFT = (1 << 25),
diff --git a/doc/classes/@GlobalScope.xml b/doc/classes/@GlobalScope.xml
index 8ffb90fed7..da1f337ef8 100644
--- a/doc/classes/@GlobalScope.xml
+++ b/doc/classes/@GlobalScope.xml
@@ -2365,7 +2365,7 @@
 		<constant name="KEY_CODE_MASK" value="8388607" enum="KeyModifierMask" is_bitfield="true">
 			Key Code mask.
 		</constant>
-		<constant name="KEY_MODIFIER_MASK" value="532676608" enum="KeyModifierMask" is_bitfield="true">
+		<constant name="KEY_MODIFIER_MASK" value="2130706432" enum="KeyModifierMask" is_bitfield="true">
 			Modifier key mask.
 		</constant>
 		<constant name="KEY_MASK_CMD_OR_CTRL" value="16777216" enum="KeyModifierMask" is_bitfield="true">
diff --git a/misc/extension_api_validation/4.3-stable.expected b/misc/extension_api_validation/4.3-stable.expected
index f347c95b2c..5a27302a12 100644
--- a/misc/extension_api_validation/4.3-stable.expected
+++ b/misc/extension_api_validation/4.3-stable.expected
@@ -261,3 +261,10 @@ Validate extension JSON: Error: Field 'classes/PointLight2D/properties/texture':
 
 Property hints modified to disallow resource types that don't work. The types allowed are now more restricted, but this change only impacts the editor and not the actual exposed API. No adjustments should be necessary.
 Decal properties were previously changed from Texture to Texture2D in 4.2, so we need to silence those warnings too.
+
+
+GH-98441
+--------
+Validate extension JSON: Error: Field 'global_enums/KeyModifierMask/values/KEY_MODIFIER_MASK': value changed value in new API, from 5.32677e+08 to 2130706432.
+
+Key modifier mask value corrected. API change documented for compatibility.