diff --git a/scripts/update-generated-code.sh b/scripts/update-generated-code.sh
new file mode 100755
index 0000000..4172d4e
--- /dev/null
+++ b/scripts/update-generated-code.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# make audio ports constant, they must never change
+sed -i "/^int gen_kernel_numins = /{s/^/const /}" plugins/*/gen_exported.cpp
+sed -i "/^int gen_kernel_numouts = /{s/^/const /}" plugins/*/gen_exported.cpp
+
+# change prototype of param functions, no doubles!
+sed -i "s/setparameter(CommonState *cself, long index, double value, void *ref)/setparameter(CommonState *cself, long index, t_param value, void *ref)/" plugins/*/gen_exported.cpp plugins/*/gen_exported.h
+sed -i "s/getparameter(CommonState *cself, long index, double *value)/getparameter(CommonState *cself, long index, t_param *value)/" plugins/*/gen_exported.cpp plugins/*/gen_exported.h
+sed -i "s/create(double sr, long vs)/create(t_param sr, long vs)/" plugins/*/gen_exported.cpp plugins/*/gen_exported.h
+
+# use t_sample instead of forcing doubles
+sed -i "s/double /t_sample /" plugins/*/gen_exported.cpp