diff --git a/build.gradle b/build.gradle
index 82f6cd59e..6747a0a66 100644
--- a/build.gradle
+++ b/build.gradle
@@ -67,6 +67,7 @@ task moveRes(type: Sync) {
 
 task coreJar(type: Jar) {
     dependsOn 'reobf'
+    manifest = 'etc/core/MANIFEST.MF'
     baseName = 'Mekanism'
     from 'etc/core'
     from zipTree(reobf.outputs.getFiles().getSingleFile()).matching {
diff --git a/etc/core/META-INF/MANIFEST.MF b/etc/core/MANIFEST.MF
similarity index 100%
rename from etc/core/META-INF/MANIFEST.MF
rename to etc/core/MANIFEST.MF