diff --git a/Source/cmQtAutomoc.cxx b/Source/cmQtAutomoc.cxx
index 5bfb928e3..2add7c0a1 100644
--- a/Source/cmQtAutomoc.cxx
+++ b/Source/cmQtAutomoc.cxx
@@ -8,7 +8,7 @@
 
 
 cmQtAutomoc::cmQtAutomoc()
-:Verbose(true)
+:Verbose(cmsys::SystemTools::GetEnv("VERBOSE") != 0)
 ,RunMocFailed(false)
 ,GenerateAll(false)
 {