Facial Expression and Eyetracking Engine Fixes - F4SE
🟡 Updated this yearThis mod may not work until the author updates it. Check for an update, or see the rollback guide.
⚠️ Install Order · 3 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 0.5% endorsement rate
- 🏆 #42 of 103 Bug Fixes mods in this game by downloads
📋 About This Mod
About this mod:
Fixes various facial expression and eyetracking engine bugs:
- fixes a bug that could cause eyetracking to remain inactive for the player character and NPCs after
- reloading a save game and
- certain cell transitions (frequent when Fast Traveling to the Boston Library)
- fixes a bug that caused NPCs to look in the wrong direction after entering/exiting a Power Armor
(applicable when the armor doesn't have a helmet)
- fixes a bug that could cause NPCs to lose their facial expressions (emotions) in crowded areas
(typically at settlements with >30 population though it is actually tied to the number of nearby actors the engine processes parallelly)
- Brown Face Bug fix for the player and companions
(disabled by default as there are already mods that fix it; added in v1. 1)
- fixes a bug that can cause the player's eyes to get stuck at the dialogue target after exiting the dialogue
(beta; disabled by default; added in v1. 1)
Settings INI: ..\Fallout 4\Data\F4SE\Plugins\FacialExpressionAndEyeTrackingEngineFixes.ini
- bEyeTracking: toggle the eyetracking fixes
- bFacialExpression: toggle the facial expression fixes
- bPowerArmorEyeTarget: toggle the Power Armor eyetracking fixes
- bBrownFace: toggle the Brown Face Bug fix
- bPlayerEyesStuckAtDialogueTarget: toggles the player's eyetracking fix
Fixed
Bug
- the mod does not affect FaceGen (i.e. character appearance, look or animation behavior), only the bugs mentioned above
- the issues aren't the same as the ones in Starfield but they share some similarities; the engine fixes however are quite different
- I don't know if there's already a mod that fixes these bugs; if there is, ple
Fixes various facial expression and eyetracking engine bugs in Fallout 4. With 2,229 endorsements and 460,357 downloads, it's a popular stability patch for players experiencing expression or eye-tracking issues. Requires F4SE and is a must-have for modded setups.
✨ Key Features
📊 Pros & Cons
✅ Pros
- High endorsement-to-download ratio (2,229 endorsements) indicates strong community trust.
- Over 460k downloads show widespread adoption and proven stability.
- Targeted bug fixes for facial expressions and eyetracking, which are common issues in modded playthroughs.
⚠️ Cons
- Requires F4SE, so it won't work without that framework installed.
- Last updated in 2026, but if the game updates, it may need a compatibility patch.
For Fallout 4 modders who've noticed characters' faces glitching or eye-tracking acting weird, especially in dialogue or with modded companions. If you're running a heavily modded game and want to squash these specific engine bugs, this is for you. Skip if you don't use F4SE or don't care about facial animation glitches.
💡 Beginner Tips
- Make sure you have the latest F4SE version installed, as this mod depends on it.
- Load this mod after other mods that affect facial animations to ensure fixes apply.
- If you use mods that alter NPC appearances, test in a new save or after a clean save to avoid conflicts.
📊 Mod Details
- Game
- Fallout 4 Mods
- Author
- LarannKiar
- Version
- 3.1
- Downloads
- 460,357
- Endorsements
- 2,229
- Category
- Bug Fixes
- Created
- 12/2/2024
- Updated
- 5/29/2026
🔧 How to Install Fallout 4 Mods
Download from Nexus.
📖 Full step-by-step install guide for Fallout 4 →
Visit the official mod page for specific installation instructions for this mod.
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