diff --git a/cmake/macros.cmake b/cmake/macros.cmake
index 848b3290f..6ec996591 100644
--- a/cmake/macros.cmake
+++ b/cmake/macros.cmake
@@ -62,6 +62,9 @@ macro(set_variables)
   # Build the binlog router
   set(BUILD_BINLOG TRUE CACHE BOOL "Build binlog router")
 
+  # Build the multimaster monitor
+  set(BUILD_MMMON FALSE CACHE BOOL "Build multimaster monitor")
+
   # Use gcov build flags
   set(GCOV FALSE CACHE BOOL "Use gcov build flags")