diff --git a/libsofia-sip-ua/sip/Doxyfile.in b/libsofia-sip-ua/sip/Doxyfile.in
index ca6472b73276b4bf4eb991685751648047876c2c..10e13798546f0c59db7ba9ea1124e7b450d881b9 100644
--- a/libsofia-sip-ua/sip/Doxyfile.in
+++ b/libsofia-sip-ua/sip/Doxyfile.in
@@ -1,7 +1,7 @@
 PROJECT_NAME         = "sip"
 OUTPUT_DIRECTORY     = ../docs/html/sip
 
-INPUT 		     = @srcdir@/sofia-sip sofia-sip @srcdir@/sip.docs @srcdir@/sip_parser.docs @srcdir@ . 
+INPUT 		     = @srcdir@/sofia-sip sofia-sip @srcdir@/sip.docs @srcdir@/sip_parser.docs @srcdir@ .
 
 @INCLUDE_PATH = . @srcdir@
 @INCLUDE = ../docs/Doxyfile.conf