diff --git a/include.sh b/include.sh
index 82f7f8a523ce93947aa92841fc8504972360164f..d596769e98d8cf47f0096987dd404ba978c7643a 100755
--- a/include.sh
+++ b/include.sh
@@ -11,7 +11,7 @@ do
     name="$(basename "$dir")"
     if [ "${name:0:1}" != "_" ]
     then
-        header="$include/${name/_/\/}.h"
+        header="$include/${name/_//}.h"
         pushd "$dir"
         cargo run --release --manifest-path "$cbindgen/Cargo.toml" -- \
             -c cbindgen.toml -o "$header" mod.rs