diff --git a/appveyor.yml b/appveyor.yml
index d164ab407..16931092a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -166,7 +166,7 @@ before_build:
 - ps: (Get-Content src\Core\Secrets.h) -replace '__GC_NOLIO_SECRET__', $env:GC_NOLIO_SECRET | Set-Content src\Core\Secrets.h
 - ps: (Get-Content src\Core\Secrets.h) -replace '__GC_XERT_CLIENT_SECRET__', $env:GC_XERT_CLIENT_SECRET | Set-Content src\Core\Secrets.h
 - ps: (Get-Content src\Core\Secrets.h) -replace '__GC_AZUM_CLIENT_SECRET__', $env:GC_AZUM_CLIENT_SECRET | Set-Content src\Core\Secrets.h
-- ps: (Get-Content src\Core\Secrets.h) -replace '__GC_TRAINERDAY_API_KEY', $env:GC_TRAINERDAY_API_KEY | Set-Content src\Core\Secrets.h
+- ps: (Get-Content src\Core\Secrets.h) -replace '__GC_TRAINERDAY_API_KEY__', $env:GC_TRAINERDAY_API_KEY | Set-Content src\Core\Secrets.h
 
 build_script:
 - qmake.exe build.pro -r -spec win32-msvc