diff --git "a/CMakeLists.txt" "b/CMakeLists.txt"
index b2c39d1..24a6866 100644
--- "a/CMakeLists.txt"
+++ "b/CMakeLists.txt"
@@ -35,10 +35,8 @@ if (APPLE)
     endif()
 endif()
 
-if(MSVC)
-    list (APPEND CMAKE_CXX_FLAGS " -std=c++11 -O3 ")
-else()
-    list (APPEND CMAKE_CXX_FLAGS " -std=c++11 -O3 -Wall -Werror ")
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O3 -Wall -Werror")
 endif()
 
 # Check for cryptopp (static)
@@ -73,6 +71,7 @@ endif()
 set_target_properties (licensepp-lib PROPERTIES
     VERSION ${LICENSEPP_SOVERSION}
 )
+target_include_directories (licensepp-lib PUBLIC $<INSTALL_INTERFACE:include>)
 target_link_libraries (licensepp-lib
     ${CRYPTOPP_LIBRARIES}
 )