diff --git a/sci-visualization/gnuplot/files/gnuplot-5.2.6-caca.patch b/sci-visualization/gnuplot/files/gnuplot-5.2.6-caca.patch
new file mode 100644
index 0000000000000..4441e4b8c0365
--- /dev/null
+++ b/sci-visualization/gnuplot/files/gnuplot-5.2.6-caca.patch
@@ -0,0 +1,13 @@
+https://bugs.gentoo.org/690014
+https://sourceforge.net/p/gnuplot/mailman/message/34342174/
+
+--- gnuplot-5.2.6-orig/configure.ac
++++ gnuplot-5.2.6/configure.ac
+@@ -1224,6 +1224,7 @@
+ if test "${enable_qt_ok}" = yes \
+   || test "${enable_wxwidgets_ok}" = yes \
+   || test "$GGI_SUPPORT" = yes \
++  || test "$with_caca" = yes \
+   || test "$no_x" != yes; then
+     enable_mouse=yes;
+ fi
diff --git a/sci-visualization/gnuplot/gnuplot-5.2.6.ebuild b/sci-visualization/gnuplot/gnuplot-5.2.6.ebuild
index fbf264300569f..6ee94c17ade15 100644
--- a/sci-visualization/gnuplot/gnuplot-5.2.6.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.2.6.ebuild
@@ -70,6 +70,7 @@ src_prepare() {
 	eapply "${FILESDIR}"/${PN}-5.0.1-fix-underlinking.patch
 	eapply "${FILESDIR}"/${PN}-5.0.6-no-picins.patch
 	eapply "${FILESDIR}"/${PN}-5.2.2-regis.patch
+	eapply "${FILESDIR}"/${PN}-5.2.6-caca.patch
 	eapply_user
 
 	if [[ -z ${PV%%*9999} ]]; then
diff --git a/sci-visualization/gnuplot/gnuplot-5.2.7.ebuild b/sci-visualization/gnuplot/gnuplot-5.2.7.ebuild
index 4ea9c17d14429..9ac0df288a51a 100644
--- a/sci-visualization/gnuplot/gnuplot-5.2.7.ebuild
+++ b/sci-visualization/gnuplot/gnuplot-5.2.7.ebuild
@@ -70,6 +70,7 @@ src_prepare() {
 	eapply "${FILESDIR}"/${PN}-5.0.1-fix-underlinking.patch
 	eapply "${FILESDIR}"/${PN}-5.0.6-no-picins.patch
 	eapply "${FILESDIR}"/${PN}-5.2.2-regis.patch
+	eapply "${FILESDIR}"/${PN}-5.2.6-caca.patch
 	eapply_user
 
 	if [[ -z ${PV%%*9999} ]]; then