diff --git a/Source/CTest/cmCTestCoverageCommand.cxx b/Source/CTest/cmCTestCoverageCommand.cxx
index 067a4e96d..b63ba032b 100644
--- a/Source/CTest/cmCTestCoverageCommand.cxx
+++ b/Source/CTest/cmCTestCoverageCommand.cxx
@@ -19,6 +19,13 @@
 #include "cmCTest.h"
 #include "cmCTestCoverageHandler.h"
 
+//----------------------------------------------------------------------------
+cmCTestCoverageCommand::cmCTestCoverageCommand()
+{
+  this->LabelsMentioned = false;
+}
+
+//----------------------------------------------------------------------------
 cmCTestGenericHandler* cmCTestCoverageCommand::InitializeHandler()
 {
   this->CTest->SetCTestConfigurationFromCMakeVariable(this->Makefile,
diff --git a/Source/CTest/cmCTestCoverageCommand.h b/Source/CTest/cmCTestCoverageCommand.h
index c2062cd08..768216179 100644
--- a/Source/CTest/cmCTestCoverageCommand.h
+++ b/Source/CTest/cmCTestCoverageCommand.h
@@ -28,7 +28,7 @@ class cmCTestCoverageCommand : public cmCTestHandlerCommand
 {
 public:
 
-  cmCTestCoverageCommand() {}
+  cmCTestCoverageCommand();
 
   /**
    * This is a virtual constructor for the command.