diff --git a/mkspecs/features/ctest_testcase.prf b/mkspecs/features/ctest_testcase.prf
index 0ae5ba268b..471b73e16b 100644
--- a/mkspecs/features/ctest_testcase.prf
+++ b/mkspecs/features/ctest_testcase.prf
@@ -1,5 +1,10 @@
 
-CMAKE_VERSION = $$system(cmake --version)
+win32 {
+    CMAKE_VERSION = $$system(cmake --version 2>NUL)
+} else {
+    CMAKE_VERSION = $$system(cmake --version 2>/dev/null)
+}
+
 
 check.commands =
 isEmpty(CMAKE_VERSION) {