diff --git a/meta-python/recipes-devtools/python/python3-m2crypto_0.37.1.bb b/meta-python/recipes-devtools/python/python3-m2crypto_0.37.1.bb
index ef123075c..e1f92928c 100644
--- a/meta-python/recipes-devtools/python/python3-m2crypto_0.37.1.bb
+++ b/meta-python/recipes-devtools/python/python3-m2crypto_0.37.1.bb
@@ -36,6 +36,9 @@ SWIG_FEATURES_x32 = "-D__ILP32__"
 
 SWIG_FEATURES ?= "-D__${HOST_ARCH}__ ${@['-D__ILP32__','-D__LP64__'][d.getVar('SITEINFO_BITS') != '32']}"
 
+SWIG_FEATURES_append_riscv64 = " -D__SIZEOF_POINTER__=${SITEINFO_BITS}/8 -D__riscv_xlen=${SITEINFO_BITS}"
+SWIG_FEATURES_append_riscv32 = " -D__SIZEOF_POINTER__=${SITEINFO_BITS}/8 -D__riscv_xlen=${SITEINFO_BITS}"
+SWIG_FEATURES_append_mipsarch = " -D_MIPS_SZPTR=${SITEINFO_BITS}"
 export SWIG_FEATURES
 
 BBCLASSEXTEND = "native"