diff --git a/Makefile b/Makefile
index f4c0a00..f32641a 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,8 @@
 install: no_test
 	mkdir -p $(DESTDIR)/include/mbedtls
 	cp -rp include/mbedtls $(DESTDIR)/include
+	mkdir -p $(DESTDIR)/include/psa
+	cp -rp include/psa $(DESTDIR)/include
 
 	mkdir -p $(DESTDIR)/lib
 	cp -RP library/libmbedtls.*    $(DESTDIR)/lib