diff --git a/mswin32/nsis/Nmap.nsi b/mswin32/nsis/Nmap.nsi
index 2dd3bd5c8..d15b47847 100644
--- a/mswin32/nsis/Nmap.nsi
+++ b/mswin32/nsis/Nmap.nsi
@@ -175,8 +175,8 @@ Section "Nmap Core Files" SecCore
   WriteRegStr HKCU "Software\Nmap" "" $INSTDIR 
 
   ;Check if VC++ 2008 runtimes are already installed:
-    ReadRegStr $0 HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{FF66E9F6-83E7-3A3E-AF14-8DE9A809A6A4}" "DisplayName"
-    StrCmp $0 "Microsoft Visual C++ 2008 Redistributable - x86 9.0.21022" create_uninstaller vcredist_silent_install
+    ReadRegStr $0 HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{9A25302D-30C0-39D9-BD6F-21E6EC160475}" "DisplayName"
+    StrCmp $0 "Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.17" create_uninstaller vcredist_silent_install
 
   ;If VC++ 2008 runtimes are not installed...
   vcredist_silent_install:
@@ -184,8 +184,8 @@ Section "Nmap Core Files" SecCore
     File ..\vcredist_x86.exe
     ExecWait '"$INSTDIR\vcredist_x86.exe" /q' $0
     ;Check for successful installation of our vcredist_x86.exe...
-    ReadRegStr $0 HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{FF66E9F6-83E7-3A3E-AF14-8DE9A809A6A4}" "DisplayName"
-    StrCmp $0 "Microsoft Visual C++ 2008 Redistributable - x86 9.0.21022" vcredist_success vcredist_not_present
+    ReadRegStr $0 HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{9A25302D-30C0-39D9-BD6F-21E6EC160475}" "DisplayName"
+    StrCmp $0 "Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.17" vcredist_success vcredist_not_present
     vcredist_not_present:
       DetailPrint "Microsoft Visual C++ 2008 Redistributable failed to install"
       IfSilent create_uninstaller vcredist_messagebox