diff --git a/src/main/java/net/fabricmc/loom/task/RunClientTask.java b/src/main/java/net/fabricmc/loom/task/RunClientTask.java
index 10cf6fbb..d4966d4b 100644
--- a/src/main/java/net/fabricmc/loom/task/RunClientTask.java
+++ b/src/main/java/net/fabricmc/loom/task/RunClientTask.java
@@ -79,6 +79,7 @@ public class RunClientTask extends JavaExec {
 	public List<String> getJvmArgs() {
 		LoomGradleExtension extension = this.getProject().getExtensions().getByType(LoomGradleExtension.class);
 		List<String> args = new ArrayList<>();
+		args.add("-Dfabric.development=true");
 		return args;
 	}