diff --git a/atdna/main.cpp b/atdna/main.cpp
index ae3295d..bfd3bd0 100644
--- a/atdna/main.cpp
+++ b/atdna/main.cpp
@@ -2391,6 +2391,7 @@ int main(int argc, const char** argv)
                                      "-std=c++14",
                                      "-D__atdna__=1",
                                      "-Wno-expansion-to-defined",
+                                     "-Wno-nullability-completeness",
                                      "-I" XSTR(INSTALL_PREFIX) "/lib/clang/" CLANG_VERSION_STRING "/include",
                                      "-I" XSTR(INSTALL_PREFIX) "/include/Athena"};
     for (int a=1 ; a<argc ; ++a)