diff --git a/libexec/trick/make_makefile_swig b/libexec/trick/make_makefile_swig
index 1756beb4..1322c2ea 100755
--- a/libexec/trick/make_makefile_swig
+++ b/libexec/trick/make_makefile_swig
@@ -267,7 +267,7 @@ S_main: \$(TRICK_FIXED_PYTHON)
 
 py_%.cpp: %.i
 \t\$(PRINT_SWIG)
-\t\$(ECHO_CMD)\$(SWIG) \$(TRICK_INCLUDE) \$(TRICK_DEFINES) \$(TRICK_VERSIONS) \$(SWIG_FLAGS) -c++ -python -includeall -ignoremissing -w201,303,362,389,401,451 -outdir trick -o \$@ \$<
+\t\$(ECHO_CMD)\$(SWIG) \$(TRICK_INCLUDE) \$(TRICK_DEFINES) \$(TRICK_VERSIONS) \$(SWIG_FLAGS) -c++ -python -includeall -ignoremissing -w201,303,320,362,389,401,451 -outdir trick -o \$@ \$<
 
 \$(SWIG_OBJECTS): %.o: %.cpp
 \t\$(PRINT_COMPILE_SWIG)