diff --git a/runprebuild.bat b/runprebuild.bat
index f366175135..e2b68326b5 100755
--- a/runprebuild.bat
+++ b/runprebuild.bat
@@ -34,7 +34,7 @@ if defined FOUNDGREP (
 )
 
 rem try vs2015
-FOR /F "usebackq tokens=1-3" %%A IN (`REG QUERY "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\14" /v %VALUE_NAME% 2^>nul ^| %FINDCMD% "%VALUE_NAME%"`) DO (
+FOR /F "usebackq tokens=1-3" %%A IN (`REG QUERY "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0" /v %VALUE_NAME% 2^>nul ^| %FINDCMD% "%VALUE_NAME%"`) DO (
 	set ValueValue=%%C
 	goto :found
 )