diff --git a/lang/c/CMakeLists.txt b/lang/c/CMakeLists.txt
index b6100a50c3..b248a86827 100644
--- a/lang/c/CMakeLists.txt
+++ b/lang/c/CMakeLists.txt
@@ -29,5 +29,6 @@ add_subdirectory(samples)
 endif()
 
 if (ECAL_C_BUILD_TESTS)
+enable_testing()
 add_subdirectory(tests)
 endif ()
\ No newline at end of file