diff --git a/install.lua b/install.lua
index 50eea12..197f093 100755
--- a/install.lua
+++ b/install.lua
@@ -71,7 +71,14 @@ else
 	baad = true
 end
 
-os.execute"adduser --shell /bin/sh --disabled-password ikibooru"
+if baad then
+	return
+end
+
+if not os.execute"adduser --shell /bin/sh --disabled-password ikibooru" then
+	print"Failed to create user ikibooru."
+	return
+end
 
 io.stdout:write"MySQL host: "
 local mysqladdr = io.read"*l"
@@ -161,11 +168,11 @@ os.execute"rm /home/ikibooru/ikibooru/install.lua"
 -- Not /dev/urandom. System might be new and unseeded.
 os.execute"dd if=/dev/random of=/home/ikibooru/ikibooru/objkey bs=16 count=1"
 os.execute"chown -R ikibooru:ikibooru /home/ikibooru/*"
-os.execute"find /home/ikibooru/ -type f -exec chmod 444 {} \;"
-os.execute"find /home/ikibooru/ -type d -exec chmod 555 {} \;"
+os.execute"find /home/ikibooru/ -type f -exec chmod 444 {} \\;"
+os.execute"find /home/ikibooru/ -type d -exec chmod 555 {} \\;"
 os.execute"chmod 440 /home/ikibooru/ikibooru/objkey"
--- # These files need writability
-os.execute"find /home/ikibooru/ikibooru/objd/ -type d -exec chmod 755 {} \;"
+-- These files need writability
+os.execute"find /home/ikibooru/ikibooru/objd/ -type d -exec chmod 755 {} \\;"
 os.execute"chmod 644 /home/ikibooru/ikibooru/static/tagcats.css"
 
 local cfg = io.open("/home/ikibooru/ikibooru/cfg.lua", "wb")
@@ -175,7 +182,7 @@ cfg:close() cfg = nil
 
 os.execute"chmod 640 /home/ikibooru/ikibooru/cfg.lua"
 
-os.execute"chown -R root:root /home/ikibooru/ikibooru/uninstall.lua"
+os.execute"chown root:root /home/ikibooru/ikibooru/uninstall.lua"
 
 SQLConn:execute[[CREATE DATABASE ikibooru CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;]]
 SQLConn:execute[[USE ikibooru;]]
@@ -294,4 +301,4 @@ end
 
 print""
 
-print"Installation complete. Remember: Ikibooru is only an HTTP server. It must be used together with a relay or reverse proxy."
\ No newline at end of file
+print"Installation complete. Remember: Ikibooru is only an HTTP server. It must be used together with a relay or reverse proxy."