diff --git a/brut.apktool/apktool-lib/src/main/java/brut/androlib/mod/SmaliMod.java b/brut.apktool/apktool-lib/src/main/java/brut/androlib/mod/SmaliMod.java
index 63f38dd9..7c393c94 100644
--- a/brut.apktool/apktool-lib/src/main/java/brut/androlib/mod/SmaliMod.java
+++ b/brut.apktool/apktool-lib/src/main/java/brut/androlib/mod/SmaliMod.java
@@ -96,6 +96,9 @@ public class SmaliMod {
         dexGen.setDexBuilder(dexBuilder);
         dexGen.smali_file();
 
+        is.close();
+        reader.close();
+
         return dexGen.getNumberOfSyntaxErrors() == 0;
     }
 }
diff --git a/brut.apktool/apktool-lib/src/main/java/brut/androlib/src/SmaliBuilder.java b/brut.apktool/apktool-lib/src/main/java/brut/androlib/src/SmaliBuilder.java
index 35a7b7c2..c497f442 100644
--- a/brut.apktool/apktool-lib/src/main/java/brut/androlib/src/SmaliBuilder.java
+++ b/brut.apktool/apktool-lib/src/main/java/brut/androlib/src/SmaliBuilder.java
@@ -108,6 +108,8 @@ public class SmaliBuilder {
             }
         }
 
+        inStream.close();
+
         try {
             if (!SmaliMod.assembleSmaliFile(out.toString(),dexBuilder, false, false, inFile)) {
                 throw new AndrolibException("Could not smali file: " + fileName);