diff --git a/win/audacity.iss b/win/audacity.iss
index c136a544d..93f3f7664 100644
--- a/win/audacity.iss
+++ b/win/audacity.iss
@@ -98,7 +98,7 @@ Source: "C:\Microsoft Visual Studio 8\VC\redist\x86\Microsoft.VC80.CRT\msvcr80.d
 
 Source: "..\win\Release\languages\*"; DestDir: "{app}\Languages\"; Flags: ignoreversion recursesubdirs
 Source: "..\win\Release\modules\*"; DestDir: "{app}\Modules\"; Flags: ignoreversion recursesubdirs skipifsourcedoesntexist
-Source: "..\win\Release\nyquist\*"; DestDir: "{app}\Nyquist\"; Flags: ignoreversion
+Source: "..\win\Release\nyquist\*"; DestDir: "{app}\Nyquist\"; Flags: ignoreversion recursesubdirs
 Source: "..\win\Release\plug-ins\*"; DestDir: "{app}\Plug-Ins\"; Excludes: "analyze.ny"; Flags: ignoreversion
 
 
diff --git a/win/audacity_unicode.iss b/win/audacity_unicode.iss
index 3d24831cd..b710b1175 100644
--- a/win/audacity_unicode.iss
+++ b/win/audacity_unicode.iss
@@ -96,7 +96,7 @@ Source: "C:\Program Files\Microsoft Visual Studio 9.0\VC\redist\x86\Microsoft.VC
 
 Source: "..\win\unicode release\languages\*"; DestDir: "{app}\Languages\"; Flags: ignoreversion recursesubdirs
 Source: "..\win\unicode release\modules\*"; DestDir: "{app}\Modules\"; Flags: ignoreversion recursesubdirs skipifsourcedoesntexist
-Source: "..\win\unicode release\nyquist\*"; DestDir: "{app}\Nyquist\"; Flags: ignoreversion
+Source: "..\win\unicode release\nyquist\*"; DestDir: "{app}\Nyquist\"; Flags: ignoreversion recursesubdirs
 Source: "..\win\unicode release\plug-ins\*"; DestDir: "{app}\Plug-Ins\"; Excludes: "analyze.ny"; Flags: ignoreversion
 
 [Icons]