JOB_TRANSFORM_NAMES = EL, EL_VER
 JOB_TRANSFORM_EL @= end
 
-REQUIREMENTS Regexp("OpSysMajorVer",UnParse(Requirements),"i") =?= false
+REQUIREMENTS Regexp("OpSysMajorVer",UnParse(Requirements),"i") =?= false && Regexp("\"WINDOWS\"", UnParse(Requirements)) =?= false
 SET Requirements (Target.OpSysMajorVer == 6) && $(MY.Requirements)
 SET AmTransformed true