diff --git a/appveyor.yml b/appveyor.yml
index b848f1a6..9faa034f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -91,8 +91,11 @@ build_script:
   - cd win32 && nmake /f Makefile.mak %NMAKE_ARCH% %NMAKE_EXTRA% VSVER=%VSVER% OpenSC.msi
   - move OpenSC.msi %ARTIFACT%
   - appveyor PushArtifact %ARTIFACT%
-  # optionaly put all pdb files for dump analysis, but this consume approx 100 MB per build
-  # - ps: Get-ChildItem -recurse c:\projects\OpenSC -exclude vc*.pdb *.pdb | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
+  # put all pdb files for dump analysis, but this consume approx 100 MB per build
+  - ps: >-
+      If ($env:Configuration -Like "*Debug*") {
+        Get-ChildItem -recurse c:\projects\OpenSC -exclude vc*.pdb *.pdb | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
+      }
 
 cache:
   - C:\OpenSSL-Win32 -> appveyor.yml