diff --git a/net-libs/libtrace/libtrace-4.0.10_p1.ebuild b/net-libs/libtrace/libtrace-4.0.10_p1.ebuild
index 4b4153bf1f2ed..3aa5b658572d1 100644
--- a/net-libs/libtrace/libtrace-4.0.10_p1.ebuild
+++ b/net-libs/libtrace/libtrace-4.0.10_p1.ebuild
@@ -23,7 +23,7 @@ RDEPEND="
 "
 DEPEND="
 	${RDEPEND}
-	app-doc/doxygen
+	app-doc/doxygen[dot]
 	sys-devel/flex
 	virtual/os-headers
 	virtual/pkgconfig
diff --git a/net-libs/libtrace/libtrace-99999.ebuild b/net-libs/libtrace/libtrace-99999.ebuild
index ab6f21285b878..f9a910c5b3a0a 100644
--- a/net-libs/libtrace/libtrace-99999.ebuild
+++ b/net-libs/libtrace/libtrace-99999.ebuild
@@ -22,7 +22,7 @@ RDEPEND="
 "
 DEPEND="
 	${RDEPEND}
-	app-doc/doxygen
+	app-doc/doxygen[dot]
 	sys-devel/flex
 	virtual/os-headers
 	virtual/pkgconfig