diff --git a/Source/CTest/cmCTestTestCommand.cxx b/Source/CTest/cmCTestTestCommand.cxx
index 3efb39baa..487f3bd9d 100644
--- a/Source/CTest/cmCTestTestCommand.cxx
+++ b/Source/CTest/cmCTestTestCommand.cxx
@@ -28,6 +28,7 @@ cmCTestTestCommand::cmCTestTestCommand()
   this->Arguments[ctt_INCLUDE] = "INCLUDE";
   this->Arguments[ctt_EXCLUDE_LABEL] = "EXCLUDE_LABEL";
   this->Arguments[ctt_INCLUDE_LABEL] = "INCLUDE_LABEL";
+  this->Arguments[ctt_PARALLEL_LEVEL] = "PARALLEL_LEVEL";
   this->Arguments[ctt_LAST] = 0;
   this->Last = ctt_LAST;
 }
@@ -90,6 +91,11 @@ cmCTestGenericHandler* cmCTestTestCommand::InitializeHandler()
     handler->SetOption("LabelRegularExpression", 
                        this->Values[ctt_INCLUDE_LABEL]);
     }
+  if(this->Values[ctt_PARALLEL_LEVEL])
+    {
+    handler->SetOption("ParallelLevel",
+                       this->Values[ctt_PARALLEL_LEVEL]);
+    }
   return handler;
 }
 
diff --git a/Source/CTest/cmCTestTestCommand.h b/Source/CTest/cmCTestTestCommand.h
index 314763794..f294e026c 100644
--- a/Source/CTest/cmCTestTestCommand.h
+++ b/Source/CTest/cmCTestTestCommand.h
@@ -65,7 +65,8 @@ public:
       "             [STRIDE stride number] [EXCLUDE exclude regex ]\n"
       "             [INCLUDE include regex] [RETURN_VALUE res] \n" 
       "             [EXCLUDE_LABEL exclude regex] \n"
-      "             [INCLUDE_LABEL label regex] )\n"
+      "             [INCLUDE_LABEL label regex] \n"
+      "             [PARALLEL_LEVEL level] )\n"
       "Tests the given build directory and stores results in Test.xml. The "
       "second argument is a variable that will hold value. Optionally, "
       "you can specify the starting test number START, the ending test number "
@@ -73,7 +74,8 @@ public:
       "expression for tests to run INCLUDE, or a regular expression for tests "
       "to not run EXCLUDE. EXCLUDE_LABEL and INCLUDE_LABEL are regular "
       "expression for test to be included or excluded by the test "
-      "property LABEL."
+      "property LABEL. PARALLEL_LEVEL should be set to a positive number "
+      "representing the number of tests to be run in parallel."
       "\n"
       CTEST_COMMAND_APPEND_OPTION_DOCS;
     }
@@ -94,6 +96,7 @@ protected:
     ctt_INCLUDE,
     ctt_EXCLUDE_LABEL,
     ctt_INCLUDE_LABEL,
+    ctt_PARALLEL_LEVEL,
     ctt_LAST
   };
 };
diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index 1af1cf981..c35c8d4fb 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -495,7 +495,11 @@ int cmCTestTestHandler::ProcessHandler()
 {
   // Update internal data structure from generic one
   this->SetTestsToRunInformation(this->GetOption("TestsToRunInformation"));
-  this->SetUseUnion(cmSystemTools::IsOn(this->GetOption("UseUnion")));
+  this->SetUseUnion(cmSystemTools::IsOn(this->GetOption("UseUnion"))); 
+  if(this->GetOption("ParallelLevel"))
+    {
+    this->CTest->SetParallelLevel(atoi(this->GetOption("ParallelLevel")));
+    }
   const char* val;
   val = this->GetOption("LabelRegularExpression");
   if ( val )