kc3-lang/kc3

diff --git a/libc3/Makefile b/libc3/Makefile
index 10cfe61..098c476 100644
--- a/libc3/Makefile
+++ b/libc3/Makefile
@@ -120,7 +120,7 @@ set__tag.c: set.c.in Makefile
 	${SED_TAG} < set.c.in > set__tag.c
 
 install:
-	${INSTALL} -o ${OWNER} -g ${GROUP} -m 0755 -d ${prefix}/include
+	${INSTALL} -o ${OWNER} -g ${GROUP} -m 0755 -d ${prefix}/include/c3
 	${LIBTOOL} --tag=CC --mode=install ${INSTALL} -o ${OWNER} -g ${GROUP} -m 0644 ${HEADERS} ${prefix}/include/c3
 	${INSTALL} -o ${OWNER} -g ${GROUP} -m 0755 -d ${prefix}/lib
 	${LIBTOOL} --tag=CC --mode=install ${INSTALL} -o ${OWNER} -g ${GROUP} -m 0644 ${LIB} ${prefix}/lib