diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 577df71531e..453b940efa6 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -2925,8 +2925,9 @@ if(BUILD_TESTING)
     set(CTestTestBadExe_REGEX "(\\*\\*\\*Failed)|BAD_COMMAND")
   endif()
   set_tests_properties(CTestTestBadExe PROPERTIES
-    PASS_REGULAR_EXPRESSION "${CTestTestBadExe_REGEX}")
-    
+    PASS_REGULAR_EXPRESSION "${CTestTestBadExe_REGEX}"
+    TIMEOUT 30)
+
   # CI tooling such as CodeQL may inject libraries via LD_PRELOAD that alter
   # process execution error reporting, preventing the BAD_COMMAND string from
   # appearing in the output. Clear LD_PRELOAD for this test so that the
diff --git a/Tests/CTestTestBadExe/CMakeLists.txt b/Tests/CTestTestBadExe/CMakeLists.txt
index d01fc42f3bb..7f1a5383ef0 100644
--- a/Tests/CTestTestBadExe/CMakeLists.txt
+++ b/Tests/CTestTestBadExe/CMakeLists.txt
@@ -2,6 +2,9 @@ cmake_minimum_required(VERSION 3.10)
 project(CTestTestBadExe)
 include(CTest)
 
-configure_file("${CMAKE_CURRENT_SOURCE_DIR}/notAnExe.txt" "${CMAKE_CURRENT_BINARY_DIR}/notAnExe.txt" COPYONLY)
+# Use a file without an extension to avoid Windows file associations
+# (e.g. .txt -> Notepad) which can cause the test to hang instead of
+# reporting BAD_COMMAND.
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/notAnExe" "${CMAKE_CURRENT_BINARY_DIR}/notAnExe" COPYONLY)
 
-add_test (TestBadExe "${CMAKE_CURRENT_BINARY_DIR}/notAnExe.txt")
+add_test (TestBadExe "${CMAKE_CURRENT_BINARY_DIR}/notAnExe")
diff --git a/Tests/CTestTestBadExe/notAnExe.txt b/Tests/CTestTestBadExe/notAnExe
similarity index 100%
rename from Tests/CTestTestBadExe/notAnExe.txt
rename to Tests/CTestTestBadExe/notAnExe