diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ac85bff6..42ebe7ea4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -416,6 +416,8 @@ add_subdirectory(CppUnitLite)
 # Build wrap
 if (GTSAM_BUILD_WRAP)
     add_subdirectory(wrap)
+	# suppress warning of cython line being too long
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-misleading-indentation")
 endif(GTSAM_BUILD_WRAP)
 
 # Build GTSAM library