Helv should be an alias for MS Sans Serif. Spotted by Francois.

tools/wine.inf

diff --git a/tools/wine.inf b/tools/wine.inf
index 1dd7ca9..4ed3cfe 100644
--- a/tools/wine.inf
+++ b/tools/wine.inf
@@ -146,7 +146,7 @@
 HKLM,%FontSubStr%,"Courier New CYR,204",,"Courier New,204"
 HKLM,%FontSubStr%,"Courier New Greek,161",,"Courier New,161"
 HKLM,%FontSubStr%,"Courier New TUR,162",,"Courier New,162"
-HKLM,%FontSubStr%,"Helv",,"Arial"
+HKLM,%FontSubStr%,"Helv",,"MS Sans Serif"
 HKLM,%FontSubStr%,"Helvetica",,"Arial"
 HKLM,%FontSubStr%,"MS Shell Dlg",,"Tahoma"
 HKLM,%FontSubStr%,"MS Shell Dlg 2",,"Tahoma"