diff --git a/.appveyor.yml b/.appveyor.yml
index d3d4660290489..a62b3011e5693 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -27,8 +27,8 @@ install:
     - echo memory_limit=-1 >> php.ini-min
     - echo serialize_precision=14 >> php.ini-min
     - echo max_execution_time=1200 >> php.ini-min
-    - echo post_max_size=4G >> php.ini-min
-    - echo upload_max_filesize=4G >> php.ini-min
+    - echo post_max_size=1G >> php.ini-min
+    - echo upload_max_filesize=1G >> php.ini-min
     - echo date.timezone="America/Los_Angeles" >> php.ini-min
     - echo extension_dir=ext >> php.ini-min
     - echo extension=php_xsl.dll >> php.ini-min