diff --git a/sci-visualization/gnuplot/gnuplot-5.4.0-r1.ebuild b/sci-visualization/gnuplot/gnuplot-5.4.0-r1.ebuild
index 5b9eabee4ca7d..1fc1d509a47d4 100644
--- a/sci-visualization/gnuplot/gnuplot-5.4.0-r1.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.4.0-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-inherit autotools flag-o-matic readme.gentoo-r1 toolchain-funcs wxwidgets
+inherit autotools flag-o-matic readme.gentoo-r1 toolchain-funcs virtualx wxwidgets
 
 DESCRIPTION="Command-line driven interactive plotting program"
 HOMEPAGE="http://www.gnuplot.info/"
@@ -192,7 +192,7 @@ src_install() {
 
 src_test() {
 	#GNUTERM="unknown" emake check   # spiderplot and isosurface tests fail
-	GNUTERM="dumb" emake check
+	virtx emake check
 }
 
 pkg_postinst() {
diff --git a/sci-visualization/gnuplot/gnuplot-5.4.0-r100.ebuild b/sci-visualization/gnuplot/gnuplot-5.4.0-r100.ebuild
index 3b108facf8bfe..124091421e3f6 100644
--- a/sci-visualization/gnuplot/gnuplot-5.4.0-r100.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.4.0-r100.ebuild
@@ -5,7 +5,7 @@ EAPI=7
 
 LUA_COMPAT=( lua5-{1,2,3} )
 
-inherit autotools flag-o-matic lua-single readme.gentoo-r1 toolchain-funcs wxwidgets
+inherit autotools flag-o-matic lua-single readme.gentoo-r1 toolchain-funcs virtualx wxwidgets
 
 DESCRIPTION="Command-line driven interactive plotting program"
 HOMEPAGE="http://www.gnuplot.info/"
@@ -199,7 +199,7 @@ src_install() {
 
 src_test() {
 	#GNUTERM="unknown" emake check   # spiderplot and isosurface tests fail
-	GNUTERM="dumb" emake check
+	virtx emake check
 }
 
 pkg_postinst() {