diff --git a/CMakeLists.txt b/CMakeLists.txt
index 804e9f130437c6fac3e7340b6729de1dc79b3133..0c00f7e01fe3c305b7196e72936166b5222170ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1094,6 +1094,7 @@ endif(HAVE_ZLIB AND ENABLE_COMPRESSED_IO)
 
 if(ENABLE_WRAP_PYTHON)
   find_package(SWIG)
+  find_package(PythonInterp)
   find_package(PythonLibs)
   if(SWIG_FOUND AND PYTHONLIBS_FOUND)
     message(STATUS "Found SWIG version " ${SWIG_VERSION})