diff --git a/testing/Dockerfile b/testing/Dockerfile
index d654c86..0ed8460 100644
--- a/testing/Dockerfile
+++ b/testing/Dockerfile
@@ -14,7 +14,7 @@ ENV NEOFORGED_VERSION=""
 ENV FABRIC_VERSION=""
 ENV FABRIC_INSTALLER_VERSION=""
 
-ENV JAVA_TYPE=""
+ENV JAVA_TYPE="openjdk"
 ENV JAVA_VERSION=""
 
 ENV XMX_SIZE=""