diff --git a/vcl/generic/fontmanager/fontconfig.cxx b/vcl/generic/fontmanager/fontconfig.cxx
index db53846..44a94f6 100644
--- a/vcl/generic/fontmanager/fontconfig.cxx
+++ b/vcl/generic/fontmanager/fontconfig.cxx
@@ -930,6 +930,7 @@ bool PrintFontManager::Substitute( FontSelectPattern &rPattern, rtl::OUString& r
         FcFontSetDestroy( pSet );
     }
 
+    SAL_INFO("vcl", "substitute: '" << rPattern.maTargetName << "' -> '" << rPattern.maSearchName << "'");
     return bRet;
 }