diff --git a/build/sdk.atree b/build/sdk.atree
index 9136e5e6b..40a2876ef 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -31,6 +31,7 @@ bin/sqlite3 tools/sqlite3
 bin/dmtracedump tools/dmtracedump
 bin/hprof-conv tools/hprof-conv
 bin/mksdcard tools/mksdcard
+bin/zipalign tools/zipalign
 
 # the uper-jar file that apps link against
 out/target/common/obj/PACKAGING/android_jar_intermediates/android.jar platforms/${PLATFORM_NAME}/android.jar
diff --git a/build/tools/make_windows_sdk.sh b/build/tools/make_windows_sdk.sh
index 11ab3976d..68e6c804a 100755
--- a/build/tools/make_windows_sdk.sh
+++ b/build/tools/make_windows_sdk.sh
@@ -83,7 +83,14 @@ function build() {
     make -j 4 emulator || die "Build failed"
     # Disable parallel build: it generates "permission denied" issues when
     # multiple "ar.exe" are running in parallel.
-    make prebuilt adb fastboot aidl aapt dexdump dmtracedump hprof-conv mksdcard sqlite3 \
+    make aapt adb aidl \
+        prebuilt \
+        dexdump dmtracedump \
+        fastboot \
+        hprof-conv \
+        mksdcard \
+        sqlite3 \
+        zipalign \
         || die "Build failed"
 }
 
@@ -124,7 +131,7 @@ function package() {
     TOOLS="$TEMP_SDK_DIR/tools"
     LIB="$TEMP_SDK_DIR/tools/lib"
     rm -v "$TOOLS"/{adb,android,apkbuilder,ddms,dmtracedump,draw9patch,emulator}
-    rm -v "$TOOLS"/{hierarchyviewer,hprof-conv,mksdcard,sqlite3,traceview}
+    rm -v "$TOOLS"/{hierarchyviewer,hprof-conv,mksdcard,sqlite3,traceview,zipalign}
     rm -v "$LIB"/*/swt.jar
     rm -v "$PLATFORM_TOOLS"/{aapt,aidl,dx,dexdump}