diff --git a/src/win32/unrealinst.iss b/src/win32/unrealinst.iss
index aa03c663e..ee29e7cc2 100644
--- a/src/win32/unrealinst.iss
+++ b/src/win32/unrealinst.iss
@@ -106,6 +106,7 @@ begin
          and (not RegKeyExists(HKLM, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E824E81C-80A4-3DFF-B5F9-4842A9FF5F7F}'))
          and (not RegKeyExists(HKLM, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E7D4E834-93EB-351F-B8FB-82CDAE623003}'))
          and (not RegKeyExists(HKLM, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3D6AD258-61EA-35F5-812C-B7A02152996E}'))
+         and (not RegKeyExists(HKLM, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{BD95A8CD-1D9F-35AD-981A-3E7925026EBB}'))
         ) then
     begin
       MsgBox('UnrealIRCd requires the Microsoft Visual C++ Redistributable for Visual Studio 2012 to be installed.' #13 +