diff --git a/tools/install-headers.sh b/tools/install-headers.sh
index 9e1eca75..e7f919dd 100755
--- a/tools/install-headers.sh
+++ b/tools/install-headers.sh
@@ -9,7 +9,9 @@ mkdir -p $LUNA_BASE
 mkdir -p $LUNA_BASE/usr/include
 mkdir -p $LUNA_BASE/usr/include/luna
 mkdir -p $LUNA_BASE/usr/include/os
+mkdir -p $LUNA_BASE/usr/include/moon
 
 cp --preserve=timestamps -RT libc/include/ $LUNA_BASE/usr/include
 cp --preserve=timestamps -RT libluna/include/luna/ $LUNA_BASE/usr/include/luna
 cp --preserve=timestamps -RT libos/include/os/ $LUNA_BASE/usr/include/os
+cp --preserve=timestamps -RT kernel/src/api/ $LUNA_BASE/usr/include/moon