diff --git a/.gitlab-ci/windows/Dockerfile_build b/.gitlab-ci/windows/Dockerfile_build
index 9dbdfff38d0..b74befeeb5c 100644
--- a/.gitlab-ci/windows/Dockerfile_build
+++ b/.gitlab-ci/windows/Dockerfile_build
@@ -4,7 +4,6 @@ FROM mcr.microsoft.com/windows/server:ltsc2022
 
 # Make sure any failure in PowerShell scripts is fatal
 SHELL ["powershell", "-ExecutionPolicy", "RemoteSigned", "-Command", "$ErrorActionPreference = 'Stop';"]
-ENV ErrorActionPreference='Stop'
 
 COPY mesa_deps_vs2019.ps1 C:\
 RUN C:\mesa_deps_vs2019.ps1