diff --git a/java/dex.go b/java/dex.go
index 06ee272..db240fc 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -27,7 +27,7 @@
 		Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
 			`${config.D8Cmd} --output $outDir $dxFlags $in && ` +
 			`${config.SoongZipCmd} -o $outDir/classes.dex.jar -C $outDir -D $outDir && ` +
-			`${config.MergeZipsCmd} -D -stripFile "*.class" $out $outDir/classes.dex.jar $in`,
+			`${config.MergeZipsCmd} -D -stripFile "**/*.class" $out $outDir/classes.dex.jar $in`,
 		CommandDeps: []string{
 			"${config.D8Cmd}",
 			"${config.SoongZipCmd}",
@@ -44,7 +44,7 @@
 			`-printmapping $outDict ` +
 			`$dxFlags $r8Flags && ` +
 			`${config.SoongZipCmd} -o $outDir/classes.dex.jar -C $outDir -D $outDir && ` +
-			`${config.MergeZipsCmd} -D -stripFile "*.class" $out $outDir/classes.dex.jar $in`,
+			`${config.MergeZipsCmd} -D -stripFile "**/*.class" $out $outDir/classes.dex.jar $in`,
 		CommandDeps: []string{
 			"${config.R8Cmd}",
 			"${config.SoongZipCmd}",
diff --git a/java/java.go b/java/java.go
index 5cbd8ba..89aa0e1 100644
--- a/java/java.go
+++ b/java/java.go
@@ -1032,7 +1032,9 @@
 		if Bool(j.properties.Renamed_kotlin_stdlib) {
 			// Remove any kotlin-reflect related files
 			// TODO(pszczepaniak): Support kotlin-reflect
-			stripFiles = append(stripFiles, "*.kotlin_module", "*.kotlin_builtin")
+			stripFiles = append(stripFiles,
+				"**/*.kotlin_module",
+				"**/*.kotlin_builtin")
 		} else {
 			// Only add kotlin-stdlib if not using (on-device) renamed stdlib
 			// (it's expected to be on device bootclasspath)