diff --git a/stage2/01-sys-tweaks/01-run.sh b/stage2/01-sys-tweaks/01-run.sh
index 75bfe17..e31c743 100755
--- a/stage2/01-sys-tweaks/01-run.sh
+++ b/stage2/01-sys-tweaks/01-run.sh
@@ -157,7 +157,7 @@ sudo rm opencv-3.1.0.zip
 
 echo "========== Install picamera  ============"
 sudo pip install picamera
-sudo pip install "picamera[array]"
+sudo pip install picamera[array]
 # enable camera on raspi-config
 echo "" >> /boot/config.txt
 echo "#enable piCaera" >> /boot/config.txt