diff --git a/plugins.json b/plugins.json
index 8f622d68..001ec5ac 100644
--- a/plugins.json
+++ b/plugins.json
@@ -955,7 +955,7 @@
 		"icon": "icon.png",
 		"description": "Adds extra animation support to CEM Template Loader so that it is compatible with the Entity Model Features mod.",
 		"tags": ["Minecraft: Java Edition", "Entity Models", "Animation"],
-		"version": "1.0.3",
+		"version": "1.0.4",
 		"min_version": "4.9.0",
 		"variant": "both",
 		"dependencies": ["cem_template_loader"],
diff --git a/plugins/emf_animation_addon/changelog.json b/plugins/emf_animation_addon/changelog.json
index e9bcd5ce..dcb7d59c 100644
--- a/plugins/emf_animation_addon/changelog.json
+++ b/plugins/emf_animation_addon/changelog.json
@@ -50,5 +50,18 @@
         ]
       }
     ]
+  },
+  "1.0.4": {
+    "title": "1.0.4",
+    "date": "2024-08-25",
+    "author": "Traben",
+    "categories": [
+      {
+        "title": "fixed keyframe method bug",
+        "list": [
+          "Fixed a bug in the keyframe methods"
+        ]
+      }
+    ]
   }
 }
diff --git a/plugins/emf_animation_addon/emf_animation_addon.js b/plugins/emf_animation_addon/emf_animation_addon.js
index c5d668fb..28e0c8f9 100644
--- a/plugins/emf_animation_addon/emf_animation_addon.js
+++ b/plugins/emf_animation_addon/emf_animation_addon.js
@@ -6,7 +6,7 @@
         author: "Traben & Ewan Howell",
         description: "Adds extra animation support to CEM Template Loader so that it is compatible with the Entity Model Features mod.",
         tags: ["Minecraft: Java Edition", "Entity Models", "Animation"],
-        version: "1.0.3",
+        version: "1.0.4",
         min_version: "4.9.0",
         variant: "both",
         dependencies: ["cem_template_loader"],
@@ -516,7 +516,7 @@
         let nextFrame =     args[((deltaFloor + 1) % frameCount + frameCount) % frameCount];
         let afterFrame =    args[((deltaFloor + 2) % frameCount + frameCount) % frameCount];
 
-        let individualFrameDelta = Math.frac(k);
+        let individualFrameDelta = optifineAnimationVariables.constants.frac(k);
 
         return catmullrom(individualFrameDelta, beforeFrame, baseFrame, nextFrame, afterFrame);
     }