diff --git a/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt b/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt
index 1ff19a2..dddf617 100644
--- a/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt
+++ b/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt
@@ -82,17 +82,18 @@ private fun buildMagiskModule(target: Project) = buildZipFile {
     }
 }
 
-private fun buildZipFile(builderAction: MutableMap<String, ZipEntry.() -> ByteArray>.() -> Unit): ByteArray {
+private fun buildZipFile(builderAction: MutableMap<String, (ZipEntry) -> ByteArray>.() -> Unit): ByteArray {
     val out = ByteArrayOutputStream()
-    ZipOutputStream(out).use {
-        for ((name, invoke) in buildMap(builderAction)) {
-            val entry = ZipEntry(name)
-            entry.time = 0 // reproducible builds
-            it.putNextEntry(entry)
-            it.write(entry.invoke())
-            it.closeEntry()
-        }
+    val zip = ZipOutputStream(out)
+    for ((name, invoke) in buildMap(builderAction)) {
+        val entry = ZipEntry(name)
+        entry.time = 0 // reproducible builds
+        zip.putNextEntry(entry)
+        zip.write(invoke(entry))
+        zip.closeEntry()
     }
+    zip.close()
+    out.close()
     return out.toByteArray()
 }