1 files changed, 4 insertions, 1 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 1828f0f..7a7e391 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -599,9 +599,12 @@ add_test(sha_test sha_test)
 if(NOT CMAKE_SYSTEM_NAME MATCHES "WindowsStore")
         set(SIGNERTEST_SRC signertest.c)
         check_function_exists(pipe2 HAVE_PIPE2)
-        if(!HAVE_PIPE2)
+        if(HAVE_PIPE2)
+                add_definitions(-DHAVE_PIPE2)
+        else()
                 set(SIGNERTEST_SRC ${SIGNERTEST_SRC} compat/pipe2.c)
         endif()
+
         set_source_files_properties(signertest.c PROPERTIES COMPILE_FLAGS
               -DCERTSDIR=\\"${CMAKE_CURRENT_SOURCE_DIR}\\")
         add_executable(signertest ${SIGNERTEST_SRC})