diff --git a/CMakeLists.txt b/CMakeLists.txt
index c79db51..2ffe3f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -138,7 +138,7 @@ function (make_tests_for target_name)
 	target_link_libraries (${test} ${libraries})
 	set_target_properties (${test} PROPERTIES
 		COMPILE_DEFINITIONS TESTING
-		COMPILE_OPTIONS ${options})
+		COMPILE_OPTIONS "${options}")
 
 	add_test (NAME ${test} COMMAND ${test})
 endfunction (make_tests_for)