diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8af88c..3ae2595 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -390,10 +390,10 @@
     INCLUDE_DIRECTORIES(${PROTOBUF_INCLUDE_DIRS})
     INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/internal)
   ELSE (${PROTOBUF_FOUND})
-    ADD_DEFINITIONS(-DCERES_DONT_HAVE_PROTOCOL_BUFFERS)
+    ADD_DEFINITIONS(-DCERES_NO_PROTOCOL_BUFFERS)
   ENDIF (${PROTOBUF_FOUND})
 ELSE (${PROTOBUF})
-  ADD_DEFINITIONS(-DCERES_DONT_HAVE_PROTOCOL_BUFFERS)
+  ADD_DEFINITIONS(-DCERES_NO_PROTOCOL_BUFFERS)
 ENDIF (${PROTOBUF})
 
 
@@ -528,4 +528,3 @@
 
 ADD_SUBDIRECTORY(internal/ceres)
 ADD_SUBDIRECTORY(examples)
-