diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a909bf..98571ce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,9 @@ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
 FIND_PACKAGE(PythonInterp 2)
 
 FIND_PROGRAM(CTYPESGEN_FOUND ctypesgen.py)
+IF (NOT CTYPESGEN_FOUND)
+  FIND_PROGRAM(CTYPESGEN_FOUND ctypesgen)
+ENDIF()
 
 FIND_PACKAGE(BISON 3)
 FIND_PACKAGE(FLEX)