diff --git a/src/test/groovy/net/fabricmc/loom/test/integration/buildSrc/decompile/CustomDecompiler.groovy b/src/test/groovy/net/fabricmc/loom/test/integration/buildSrc/decompile/CustomDecompiler.groovy
index 31609a914..8bcc1615d 100644
--- a/src/test/groovy/net/fabricmc/loom/test/integration/buildSrc/decompile/CustomDecompiler.groovy
+++ b/src/test/groovy/net/fabricmc/loom/test/integration/buildSrc/decompile/CustomDecompiler.groovy
@@ -26,15 +26,14 @@ package net.fabricmc.loom.test.integration.buildSrc.decompile
 
 import java.nio.file.Path
 
-import com.google.common.io.Files
-
 import net.fabricmc.loom.api.decompilers.DecompilationMetadata
 import net.fabricmc.loom.api.decompilers.LoomDecompiler
+import net.fabricmc.loom.util.ZipUtils
 
 class CustomDecompiler implements LoomDecompiler {
 	@Override
 	void decompile(Path compiledJar, Path sourcesDestination, Path linemapDestination, DecompilationMetadata metaData) {
 		println("Running custom decompiler")
-		Files.touch(sourcesDestination.toFile())
+		ZipUtils.add(sourcesDestination, "/META-INF/test.txt", "test")
 	}
 }