diff --git a/src/main/java/net/fabricmc/loom/extension/LoomGradleExtensionApiImpl.java b/src/main/java/net/fabricmc/loom/extension/LoomGradleExtensionApiImpl.java
index 85ed91f0..480bb643 100644
--- a/src/main/java/net/fabricmc/loom/extension/LoomGradleExtensionApiImpl.java
+++ b/src/main/java/net/fabricmc/loom/extension/LoomGradleExtensionApiImpl.java
@@ -135,7 +135,7 @@ public abstract class LoomGradleExtensionApiImpl implements LoomGradleExtensionA
 		this.accessWidener.finalizeValueOnRead();
 		this.getGameJarProcessors().finalizeValueOnRead();
 
-		this.runtimeOnlyLog4j = project.getObjects().property(Boolean.class).convention(true);
+		this.runtimeOnlyLog4j = project.getObjects().property(Boolean.class).convention(false);
 		this.runtimeOnlyLog4j.finalizeValueOnRead();
 		this.platform = project.provider(Suppliers.memoize(() -> {
 			Object platformProperty = project.findProperty(PLATFORM_PROPERTY);