diff --git a/ctl b/ctl
index 2b442d8..074e25d 100755
--- a/ctl
+++ b/ctl
@@ -66,10 +66,10 @@ if [ "$1" == "start" ]; then
         fi
     fi
     if [ ! -d "$BASE/$NAME/.git" ]; then
-        python3 oml install_update
+        python3.4 oml install_update
         cd "$BASE/$NAME"
     fi
-    exec python3 oml server $PID
+    exec python3.4 oml server $PID
 fi
 if [ "$1" == "debug" ]; then
     cd "$BASE/$NAME"
@@ -78,7 +78,7 @@ if [ "$1" == "debug" ]; then
         exit 1
     fi
     shift
-    exec python3 oml server $@
+    exec python3.4 oml server $@
 fi
 if [ "$1" == "stop" ]; then
     remove_loginscript
@@ -101,13 +101,13 @@ if [ "$1" == "open" ]; then
         open "/Applications/Open Media Library.app"
     fi
     if [ $SYSTEM == "Linux" ]; then
-        exec python3 "$NAME/oml/gtkwebkit.py" $@
+        exec python3.4 "$NAME/oml/gtkwebkit.py" $@
     fi
     exit 0
 fi
 if [ "$1" == "ui" ]; then
     shift
-    exec python3 "$NAME/oml/ui.py" $@
+    exec python3.4 "$NAME/oml/ui.py" $@
 fi
 if [ "$1" == "update" ]; then
     cd "$BASE/$NAME"
@@ -124,15 +124,15 @@ if [ "$1" == "update" ]; then
         NEW=`"$0" version`
         "$0" postupdate -o $OLD -n $NEW
     else
-        python3 oml update
+        python3.4 oml update
     fi
     exit $?
 fi
 if [ "$1" == "python" ]; then
     cd "$BASE/$NAME"
     shift
-    exec python3 $@
+    exec python3.4 $@
 fi
 
 cd "$BASE/$NAME"
-exec python3 oml $@
+exec python3.4 oml $@
diff --git a/install b/install
index 315daf5..807dbe0 100755
--- a/install
+++ b/install
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python3.3
 from __future__ import division, with_statement, print_function
 
 from contextlib import closing
@@ -53,7 +53,7 @@ class Install(Thread):
             apt_packages = ''
             dnf_packages = ''
             try:
-                import Image
+                from PIL import Image
                 import lxml
             except:
                 apt_packages += ' python3.4 python3-pil python3-lxml'
@@ -126,6 +126,9 @@ def has_bin(cmd):
     return subprocess.call(['which', cmd], stdout=subprocess.PIPE) == 0
 
 if __name__ == '__main__':
+    if sys.version_info[:2] != (3,4):
+        print("You need python3.4")
+        sys.exit(1)
     if len(sys.argv) == 1:
         if sys.platform == 'darwin':
             target = os.path.expanduser('~/Library/Application Support/Open Media Libary')