diff --git a/ctl b/ctl
index 740db14..eb92023 100755
--- a/ctl
+++ b/ctl
@@ -11,11 +11,15 @@ BASE=`pwd`
 SYSTEM=`uname -s`
 PLATFORM=`uname -m`
 
+if [ -e "$BASE/local_platform" ]; then
+    export PLATFORM_ENV="$BASE/local_platform"
+else
 if [ $SYSTEM == "Linux" ]; then
     export PLATFORM_ENV="$BASE/platform/${SYSTEM}_${PLATFORM}"
 else
     export PLATFORM_ENV="$BASE/platform/$SYSTEM"
 fi
+fi
 if [ $SYSTEM == "Darwin" ]; then
     export DYLD_FALLBACK_LIBRARY_PATH="$PLATFORM_ENV/lib"
 fi
diff --git a/requirements.txt b/requirements.txt
index bec0502..3974deb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ ed25519>=1.4
 SQLAlchemy==0.9.7
 pyopenssl>=0.15
 pyCrypto>=2.6.1
+pillow