diff --git a/dev-java/gnu-classpath/gnu-classpath-0.98-r5.ebuild b/dev-java/gnu-classpath/gnu-classpath-0.98-r5.ebuild
index a8d1cb55b48fb..da840a48a0466 100644
--- a/dev-java/gnu-classpath/gnu-classpath-0.98-r5.ebuild
+++ b/dev-java/gnu-classpath/gnu-classpath-0.98-r5.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
@@ -77,6 +77,9 @@ src_configure() {
 		chmod 755 tools/gjdoc.build || die
 	fi
 
+	# Force Qt version, bug #619004.
+	export QT_SELECT=qt4
+
 	ANTLR= ./configure \
 		$(use_enable alsa) \
 		$(use_enable debug ) \