diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4dc7854..f03cbaa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 
 set(CMAKE_VERBOSE_MAKEFILE ON)
 
-if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
+if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
 	message("Debug build")
 	add_definitions(-DDEBUG_BUILD)
 endif()