diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1140903e..c5ef26c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,10 @@ project(PanoPainter
     DESCRIPTION "Panoramic painting and animation application"
     LANGUAGES C CXX)
 
+if(APPLE)
+    enable_language(OBJCXX)
+endif()
+
 if(POLICY CMP0091)
     cmake_policy(SET CMP0091 NEW)
 endif()