diff --git a/brut.j.util/src/main/java/brut/util/AaptManager.java b/brut.j.util/src/main/java/brut/util/AaptManager.java
index 2042d82d..1d3f2efd 100644
--- a/brut.j.util/src/main/java/brut/util/AaptManager.java
+++ b/brut.j.util/src/main/java/brut/util/AaptManager.java
@@ -35,10 +35,13 @@ public class AaptManager {
         File aaptBinary;
         String aaptVersion = getAaptBinaryName(version);
 
-        if (! OSDetection.is64Bit() && ! OSDetection.isWindows()) {
+        if (! OSDetection.is64Bit() && OSDetection.isMacOSX()) {
             throw new BrutException("32 bit OS detected. No 32 bit binaries available.");
         }
 
+        // Set the 64 bit flag
+        aaptVersion += OSDetection.is64Bit() ? "_64" : "";
+
         try {
             if (OSDetection.isMacOSX()) {
                 aaptBinary = Jar.getResourceAsFile("/prebuilt/macosx/" + aaptVersion, AaptManager.class);