diff --git a/configure.py b/configure.py
index f861ee4b..e08bc6b1 100644
--- a/configure.py
+++ b/configure.py
@@ -671,10 +671,10 @@ config.libs = [
             Object(MatchingFor("GMPE01_00", "GMPE01_01"), "Runtime.PPCEABI.H/__mem.c"),
             Object(MatchingFor("GMPE01_00", "GMPE01_01"), "Runtime.PPCEABI.H/New.cp", extra_cflags=["-Cpp_exceptions on"]),
             Object(MatchingFor("GMPE01_00", "GMPE01_01"), "Runtime.PPCEABI.H/NewMore.cp", extra_cflags=["-Cpp_exceptions on", "-RTTI on"]),
-            Object(NonMatching, "Runtime.PPCEABI.H/NMWException.cpp"),
+            Object(MatchingFor("GMPE01_00", "GMPE01_01"), "Runtime.PPCEABI.H/NMWException.cpp", extra_cflags=["-Cpp_exceptions on"]),
             Object(MatchingFor("GMPE01_00", "GMPE01_01"), "Runtime.PPCEABI.H/runtime.c"),
             Object(MatchingFor("GMPE01_00", "GMPE01_01"), "Runtime.PPCEABI.H/__init_cpp_exceptions.cpp"),
-            Object(NonMatching, "Runtime.PPCEABI.H/Gecko_ExceptionPPC.cpp", extra_cflags=["-Cpp_exceptions on"]),
+            Object(NonMatching, "Runtime.PPCEABI.H/Gecko_ExceptionPPC.cpp", extra_cflags=["-Cpp_exceptions on", "-RTTI on"]),
             Object(MatchingFor("GMPE01_00", "GMPE01_01"), "Runtime.PPCEABI.H/GCN_mem_alloc.c"),
         ],
     },