diff --git a/CMakeLists.txt b/CMakeLists.txt
index c43166984..ed1ddfdb8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,9 +12,9 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 # Additional warnings and errors
 if(MSVC)
     add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
-    add_compile_options("/W4")
+    add_compile_options(/W4)
 else()
-    add_compile_options("-Wall -Wextra -Wno-register -Werror=vla")
+    add_compile_options(-Wall -Wextra -Wno-register -Werror=vla)
 endif()
 
 option(USE_OPENMP "flag to use OpenMP for multithreading" ON)