diff --git a/setup-ptt.sh b/setup-ptt.sh
index 1c06ba6..b1c8b4a 100755
--- a/setup-ptt.sh
+++ b/setup-ptt.sh
@@ -150,35 +150,35 @@ case "$HOTKEY_CHOICE" in
         PTT_LABEL="Ctrl + Alt"
         PTT_KEY1_NAME="ctrl"
         PTT_KEY2_NAME="alt"
-        PTT_KEY1_CODES="KEY_LEFTCTRL, KEY_RIGHTCTRL"
-        PTT_KEY2_CODES="KEY_LEFTALT, KEY_RIGHTALT"
+        PTT_KEY1_CODES="ecodes.KEY_LEFTCTRL, ecodes.KEY_RIGHTCTRL"
+        PTT_KEY2_CODES="ecodes.KEY_LEFTALT, ecodes.KEY_RIGHTALT"
         ;;
     2)
         PTT_LABEL="Ctrl + Shift"
         PTT_KEY1_NAME="ctrl"
         PTT_KEY2_NAME="shift"
-        PTT_KEY1_CODES="KEY_LEFTCTRL, KEY_RIGHTCTRL"
-        PTT_KEY2_CODES="KEY_LEFTSHIFT, KEY_RIGHTSHIFT"
+        PTT_KEY1_CODES="ecodes.KEY_LEFTCTRL, ecodes.KEY_RIGHTCTRL"
+        PTT_KEY2_CODES="ecodes.KEY_LEFTSHIFT, ecodes.KEY_RIGHTSHIFT"
         ;;
     3)
         PTT_LABEL="Alt + Shift"
         PTT_KEY1_NAME="alt"
         PTT_KEY2_NAME="shift"
-        PTT_KEY1_CODES="KEY_LEFTALT, KEY_RIGHTALT"
-        PTT_KEY2_CODES="KEY_LEFTSHIFT, KEY_RIGHTSHIFT"
+        PTT_KEY1_CODES="ecodes.KEY_LEFTALT, ecodes.KEY_RIGHTALT"
+        PTT_KEY2_CODES="ecodes.KEY_LEFTSHIFT, ecodes.KEY_RIGHTSHIFT"
         ;;
     4)
         PTT_LABEL="Right Ctrl (alone)"
         PTT_KEY1_NAME="rctrl"
         PTT_KEY2_NAME=""
-        PTT_KEY1_CODES="KEY_RIGHTCTRL"
+        PTT_KEY1_CODES="ecodes.KEY_RIGHTCTRL"
         PTT_KEY2_CODES=""
         ;;
     5)
         PTT_LABEL="Right Alt (alone)"
         PTT_KEY1_NAME="ralt"
         PTT_KEY2_NAME=""
-        PTT_KEY1_CODES="KEY_RIGHTALT"
+        PTT_KEY1_CODES="ecodes.KEY_RIGHTALT"
         PTT_KEY2_CODES=""
         ;;
     *)
@@ -186,8 +186,8 @@ case "$HOTKEY_CHOICE" in
         PTT_LABEL="Ctrl + Alt"
         PTT_KEY1_NAME="ctrl"
         PTT_KEY2_NAME="alt"
-        PTT_KEY1_CODES="KEY_LEFTCTRL, KEY_RIGHTCTRL"
-        PTT_KEY2_CODES="KEY_LEFTALT, KEY_RIGHTALT"
+        PTT_KEY1_CODES="ecodes.KEY_LEFTCTRL, ecodes.KEY_RIGHTCTRL"
+        PTT_KEY2_CODES="ecodes.KEY_LEFTALT, ecodes.KEY_RIGHTALT"
         ;;
 esac
 
@@ -227,7 +227,7 @@ except ImportError:
 
 WHISPR_HOTKEY_UP = ["xdotool", "keyup", "ctrl", "alt", "super"]
 WHISPR_HOTKEY_SEND = ["xdotool", "keydown", "ctrl", "key", "grave", "keyup", "ctrl"]
-PTT_CODES = (ecodes.${PTT_KEY1_CODES},)
+PTT_CODES = (${PTT_KEY1_CODES},)
 
 is_recording = False
 
@@ -326,8 +326,8 @@ except ImportError:
 
 WHISPR_HOTKEY_UP = ["xdotool", "keyup", "ctrl", "alt", "super"]
 WHISPR_HOTKEY_SEND = ["xdotool", "keydown", "ctrl", "key", "grave", "keyup", "ctrl"]
-KEY1_CODES = (ecodes.${PTT_KEY1_CODES},)
-KEY2_CODES = (ecodes.${PTT_KEY2_CODES},)
+KEY1_CODES = (${PTT_KEY1_CODES},)
+KEY2_CODES = (${PTT_KEY2_CODES},)
 
 key1_held = False
 key2_held = False