diff --git a/CMakeLists.txt b/CMakeLists.txt
index b03b9dfe8..70ed8455c 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -241,8 +241,8 @@ if(IOS)
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -isysroot ${CMAKE_IOS_SDK_ROOT} -g")
 endif()
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWINPR_EXPORTS")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DFREERDP_EXPORTS")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWINPR_EXPORTS -DFREERDP_EXPORTS")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DWINPR_EXPORTS -DFREERDP_EXPORTS")
 
 # Include files
 if(NOT IOS)