diff --git a/appveyor.yml b/appveyor.yml
index 2f19ebeae6..dd2c8d6250 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,8 +15,6 @@ platform:
 
 build_script:
 - cmd: >-
-    set SLN_FILE=sakura.sln
-
     echo PLATFORM      %PLATFORM%
 
     echo CONFIGURATION %CONFIGURATION%
diff --git a/build-sln.bat b/build-sln.bat
index 21050f3de8..0178827686 100644
--- a/build-sln.bat
+++ b/build-sln.bat
@@ -1,5 +1,6 @@
 set platform=%1
 set configuration=%2
+set SLN_FILE=sakura.sln
 
 @rem https://www.appveyor.com/docs/environment-variables/