diff --git a/graphics/Pixie/Pixie.SlackBuild b/graphics/Pixie/Pixie.SlackBuild
index 25e3eac650..63e52adb49 100644
--- a/graphics/Pixie/Pixie.SlackBuild
+++ b/graphics/Pixie/Pixie.SlackBuild
@@ -76,6 +76,12 @@ patch -p1 < $CWD/Pixie-2.2.6-strict.patch
 # Fix a logical problem in configure for linking to the static version
 sed -i.r_static -e 's|--ldstaticflags|--ldflags|' configure
 
+# Fix building with bison-3 (thanks to cmuelle8 at Gentoo)
+# https://bugs.gentoo.org/show_bug.cgi?id=486148
+sed -i \
+  -e '/define YY_DECL/ s/yylval/riblval/' \
+  src/ri/rib.l
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \