diff --git a/appveyor.yml b/appveyor.yml
index cb4557df..c244a9a3 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -62,7 +62,7 @@ build_script:
 
     . "C:\Program Files\Git\usr\bin\bash.exe" .\automatated_tests.sh
 
-    if ( $? -eq $false ) {
+    if ( $LastExitCode -ne 0 ) {
       throw "automatated_tests.sh failed"
     }
 artifacts: