diff --git a/games/jfsw/jfsw.SlackBuild b/games/jfsw/jfsw.SlackBuild
index bf783c30a5..4636f8de50 100644
--- a/games/jfsw/jfsw.SlackBuild
+++ b/games/jfsw/jfsw.SlackBuild
@@ -152,6 +152,10 @@ patch -p1 < $CWD/patches/sdl1_fix.diff
 # to missing driver_sdlmixer.c). Maybe someday it'll work and then we
 # hear the demo music without having to install fluidsynth?
 
+# 20200416 bkw: fluidsynth 2.x works OK, but the version check in the
+# source doesn't like its version number.
+sed -i '/^#error.*Fluid/d' jfaudiolib/src/driver_fluidsynth.c
+
 make \
   RELEASE=1 \
   PREFIX=/usr/share/games/$PRGNAM \