diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba130f50..538f8f9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -312,7 +312,7 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
     )
 elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     find_program(BREW_PROGRAM "brew")
-    find_program(PORT_PROGRAM "ports")
+    find_program(PORT_PROGRAM "port")
     
     if (IS_DIRECTORY /opt/local AND PORT_PROGRAM)
         # macports