--- a/gocl/gocl-error.c
+++ b/gocl/gocl-error.c
@@ -108,7 +108,7 @@ gocl_error_check_opencl (cl_int err_code, GError **error)
       g_set_error (error,
                    GOCL_OPENCL_ERROR,
                    err_code,
-                   get_error_code_description (err_code));
+                   "%s", get_error_code_description (err_code));
       return TRUE;
     }
   else
@@ -127,7 +127,7 @@ gocl_error_check_opencl_internal (cl_int err_code)
       g_set_error (&last_error,
                    GOCL_OPENCL_ERROR,
                    err_code,
-                   get_error_code_description (err_code));
+                   "%s", get_error_code_description (err_code));
       return TRUE;
     }
   else