diff --git a/nix/image/php.nix b/nix/image/php.nix
index 8ef3d31..4e7ff52 100644
--- a/nix/image/php.nix
+++ b/nix/image/php.nix
@@ -15,8 +15,8 @@ php.buildEnv {
 
     memory_limit=512M
 
-    post_max_size 10G
-    upload_max_filesize 10G
+    post_max_size=10G
+    upload_max_filesize=10G
 
     apc.enable_cli=1
     opcache.enable_cli=1