diff --git a/python/numpy.i b/python/numpy.i
index e3ff236aa..644e968ff 100644
--- a/python/numpy.i
+++ b/python/numpy.i
@@ -111,7 +111,7 @@
     if (PyModule_Check(  py_obj)) return "module"      ;
     if (PyInstance_Check(py_obj)) return "instance"    ;
 
-    return "unkown type";
+    return "unknown type";
   }
 
   /* Given a NumPy typecode, return a string describing the type.
diff --git a/python/swig_wrap_numpy.c b/python/swig_wrap_numpy.c
index 3e13db00f..b430b4f7a 100644
--- a/python/swig_wrap_numpy.c
+++ b/python/swig_wrap_numpy.c
@@ -3301,7 +3301,7 @@ int grib_get_double_ndelements(int* gid, char* key, int* ipin_index, int ipin_in
     if (PyModule_Check(  py_obj)) return "module"      ;
     if (PyInstance_Check(py_obj)) return "instance"    ;
 
-    return "unkown type";
+    return "unknown type";
   }
 
   /* Given a NumPy typecode, return a string describing the type.