diff --git a/contrib/win32/mercurial.iss b/contrib/win32/mercurial.iss
--- a/contrib/win32/mercurial.iss
+++ b/contrib/win32/mercurial.iss
@@ -66,7 +66,7 @@ Source: dist\add_path.exe; DestDir: {app
 Source: doc\*.html; DestDir: {app}\Docs
 Source: doc\style.css; DestDir: {app}\Docs
 Source: mercurial\help\*.txt; DestDir: {app}\help
-Source: locale\*.*; DestDir: {app}\locale; Flags: recursesubdirs createallsubdirs
+Source: mercurial\locale\*.*; DestDir: {app}\locale; Flags: recursesubdirs createallsubdirs
 Source: mercurial\templates\*.*; DestDir: {app}\Templates; Flags: recursesubdirs createallsubdirs
 Source: CONTRIBUTORS; DestDir: {app}; DestName: Contributors.txt
 Source: COPYING; DestDir: {app}; DestName: Copying.txt