diff --git a/scripts/bitbake b/scripts/bitbake
index 3772d82..eb6b144 100755
--- a/scripts/bitbake
+++ b/scripts/bitbake
@@ -134,7 +134,19 @@ if [ $buildpseudo -gt 0 ]; then
              fi
          done
      done
-    bitbake pseudo-native $TARTARGET $additionalopts -c populate_sysroot
+
+    if [ $needtar = "1" ]; then
+       NUM_THREAD_LINE=`grep -n "^\s*BB_NUMBER_THREADS" conf/local.conf 
|awk -F':' '{print $1}'`
+	test -n "$NUM_THREAD_LINE" &&
+	sed -i ''"$NUM_THREAD_LINE"'s/^\s*BB_NUMBER_THREADS/#\0/g' conf/local.conf
+
+	bitbake $TARTARGET -c populate_sysroot
+
+	test -n "$NUM_THREAD_LINE" &&
+	sed -i 
''"$NUM_THREAD_LINE"'s/^#\s*BB_NUMBER_THREADS/BB_NUMBER_THREADS/g' 
conf/local.conf
+    fi
+
+    bitbake pseudo-native $additionalopts -c populate_sysroot