diff --git a/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/ReflectorClassMixin.java b/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/ReflectorClassMixin.java
new file mode 100644
index 00000000..115749be
--- /dev/null
+++ b/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/ReflectorClassMixin.java
@@ -0,0 +1,27 @@
+package me.modmuss50.optifabric.mixin;
+
+import net.fabricmc.loader.api.FabricLoader;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+/* Optifine 1.4.3+ */
+@Pseudo
+@Mixin(targets = "ReflectorClass")
+public abstract class ReflectorClassMixin {
+    @SuppressWarnings("UnresolvedMixinReference")
+    @Redirect(method = "getTargetClass", at = @At(value = "INVOKE", target = "Ljava/lang/Class;forName(Ljava/lang/String;)Ljava/lang/Class;", remap = false), remap = false)
+    private Class fixClassNameForFabricatedForge(String className) throws ClassNotFoundException {
+        try {
+            return Class.forName(className);
+        } catch (ClassNotFoundException exception) {
+            if (FabricLoader.getInstance().isModLoaded("fabricated-forge")) {
+                return Class.forName("net.minecraft." + className);
+            } else {
+                throw exception;
+            }
+        }
+
+    }
+}
diff --git a/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/ReflectorMixin.java b/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/ReflectorMixin.java
new file mode 100644
index 00000000..f1152cf9
--- /dev/null
+++ b/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/ReflectorMixin.java
@@ -0,0 +1,26 @@
+package me.modmuss50.optifabric.mixin;
+
+import net.fabricmc.loader.api.FabricLoader;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import java.util.Map;
+
+/* Optifine 1.3-1.4.2 */
+@Pseudo
+@Mixin(targets = "Reflector")
+public class ReflectorMixin {
+    @SuppressWarnings("UnresolvedMixinReference")
+    @Redirect(method = "getClassNameMap", at = @At(value = "INVOKE", target = "Ljava/util/Map;put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", remap = false), remap = false)
+    private static Object fixClassNameForFabricatedForge(Map map, Object key, Object value) {
+        if (FabricLoader.getInstance().isModLoaded("fabricated-forge")) {
+            if (value instanceof String && !((String) value).contains(".")) {
+                value = "net.minecraft." + value;
+            }
+        }
+
+        return map.put(key, value);
+    }
+}
diff --git a/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/TitleScreenMixin.java b/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/TitleScreenMixin.java
index ed86be9c..5edcecb7 100644
--- a/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/TitleScreenMixin.java
+++ b/1.3-1.5.2/src/main/java/me/modmuss50/optifabric/mixin/TitleScreenMixin.java
@@ -1,6 +1,7 @@
 package me.modmuss50.optifabric.mixin;
 
 import me.modmuss50.optifabric.mod.*;
+import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.screen.*;
 import org.spongepowered.asm.mixin.Mixin;
@@ -18,7 +19,7 @@ private void init(CallbackInfo info) {
 
     @Inject(method = "render", at = @At("RETURN"))
     private void render(CallbackInfo ci) {
-        if (!Optifabric.hasError()) {
+        if (!Optifabric.hasError() && !FabricLoader.getInstance().isModLoaded("fabricated-forge")) {
             this.drawWithShadow(Minecraft.getMinecraft().textRenderer, OptifineVersion.version, 2, this.height - 20, 0xFFFFFFFF);
         }
     }
diff --git a/1.3-1.5.2/src/main/resources/optifabric.optifine.mixins.json b/1.3-1.5.2/src/main/resources/optifabric.optifine.mixins.json
new file mode 100644
index 00000000..03fcb1f9
--- /dev/null
+++ b/1.3-1.5.2/src/main/resources/optifabric.optifine.mixins.json
@@ -0,0 +1,9 @@
+{
+  "required": true,
+  "package": "me.modmuss50.optifabric.mixin",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": [
+    "ReflectorClassMixin",
+    "ReflectorMixin"
+  ]
+}
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index d09dbef1..80e2ed13 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -30,5 +30,8 @@
   "depends": {
     "fabricloader": ">=0.14",
     "minecraft": ">=1.3 <=1.13.2"
+  },
+  "breaks": {
+    "fabricated-forge": "<2.7.5"
   }
 }