diff --git a/bin/swap_mode.sh b/bin/swap_mode.sh
index 31cf960..9e23766 100755
--- a/bin/swap_mode.sh
+++ b/bin/swap_mode.sh
@@ -7,14 +7,14 @@ GHOSTTY_CONF="${HOME}/.config/ghostty/config"
 [ -f "$GHOSTTY_CONF" ] || { echo "Missing $GHOSTTY_CONF"; exit 1; }
 
 set_light_mode() {
-    sed -E -i '' 's/^([[:space:]]*theme[[:space:]]*=[[:space:]]*)zenwritten-dark/\1zenwritten-light/' "$GHOSTTY_CONF"
-    sed -E -i '' 's/(vim.g.light_mode[[:space:]]*=[[:space:]]*).*/\1true/' "$NVIM_CONF"
+    sed -E -i 's/^([[:space:]]*theme[[:space:]]*=[[:space:]]*)zenwritten-dark/\1zenwritten-light/' "$GHOSTTY_CONF"
+    sed -E -i 's/(vim.g.light_mode[[:space:]]*=[[:space:]]*).*/\1true/' "$NVIM_CONF"
     MODE="light"
 }
 
 set_dark_mode() {
-    sed -E -i '' 's/^([[:space:]]*theme[[:space:]]*=[[:space:]]*)zenwritten-light/\1zenwritten-dark/' "$GHOSTTY_CONF"
-    sed -E -i '' 's/(vim.g.light_mode[[:space:]]*=[[:space:]]*).*/\1false/' "$NVIM_CONF"
+    sed -E -i 's/^([[:space:]]*theme[[:space:]]*=[[:space:]]*)zenwritten-light/\1zenwritten-dark/' "$GHOSTTY_CONF"
+    sed -E -i 's/(vim.g.light_mode[[:space:]]*=[[:space:]]*).*/\1false/' "$NVIM_CONF"
     MODE="dark"
 }