diff --git a/src/mod/endpoints/mod_verto/Makefile.am b/src/mod/endpoints/mod_verto/Makefile.am
index 123976d139..4b8c144d65 100644
--- a/src/mod/endpoints/mod_verto/Makefile.am
+++ b/src/mod/endpoints/mod_verto/Makefile.am
@@ -4,7 +4,7 @@ MODNAME=mod_verto
 mod_LTLIBRARIES       = mod_verto.la
 mod_verto_la_SOURCES  = mod_verto.c ws.c mcast/mcast.c
 mod_verto_la_CFLAGS   = -D__EXTENSIONS__ -D_GNU_SOURCE $(AM_CFLAGS)
-mod_verto_la_CPPFLAGS = -I. -Imcast
+mod_verto_la_CPPFLAGS = -I. -I$(switch_srcdir)/src/mod/endpoints/mod_verto/mcast
 mod_verto_la_LIBADD   = $(switch_builddir)/libfreeswitch.la
 mod_verto_la_LDFLAGS  = -avoid-version -module -no-undefined -shared