diff --git a/gradle/artifact.gradle b/gradle/artifact.gradle
index 2d7cd9fca..9f9540a6c 100644
--- a/gradle/artifact.gradle
+++ b/gradle/artifact.gradle
@@ -21,7 +21,7 @@ task deobfJar(type: Jar) {
 }
 
 task apiJar(type: Jar) {
-    from sourceSets.main.output
+    from sourceSets.main.java
     classifier = 'api'
     include 'li/cil/oc/api/**'
 }