diff --git a/Makefile b/Makefile
index d9f5bb1..0ea1f7d 100644
--- a/Makefile
+++ b/Makefile
@@ -633,6 +633,7 @@ kc3.index: sources.mk Makefile
for F in ${KC3_C_SOURCES}; do echo "$$F"; done >> kc3.index.tmp
for F in ${KC3_CXX_SOURCES}; do echo "$$F"; done >> kc3.index.tmp
for F in ${KC3_FONT_SOURCES}; do echo "$$F"; done >> kc3.index.tmp
+ for F in ${KC3_HTTPD_SOURCES}; do echo "$$F"; done >> kc3.index.tmp
for F in ${KC3_IMG_SOURCES}; do echo "$$F"; done >> kc3.index.tmp
for F in ${KC3_LIB_SOURCES}; do echo "$$F"; done >> kc3.index.tmp
for F in ${KC3_OBJC_SOURCES}; do echo "$$F"; done >> kc3.index.tmp