diff --git a/build_appimage.sh b/build_appimage.sh
index 6670603..a9f2942 100755
--- a/build_appimage.sh
+++ b/build_appimage.sh
@@ -66,6 +66,15 @@ cp /etc/pki/tls/certs/ca-bundle.crt appdir/usr/ssl/cacert.pem
 # https://sourceforge.net/p/flightgear/codetickets/2590/
 cp -a /lib64/libharfbuzz.so* appdir/usr/lib
 
+# as we are copying over libharfbuzz we need the older libfontconfig,
+# libfreetype & libpng15 as 2.11 breaks compatibility: see 
+# https://sourceforge.net/p/flightgear/codetickets/2651/
+cp -a /usr/lib64/libfontconfig.so* appdir/usr/lib
+cp -a /usr/lib64/libfreetype.so* appdir/usr/lib
+cp -a /usr/lib64/libpng15.so* appdir/usr/lib
+patchelf --set-rpath \$ORIGIN appdir/usr/lib/libfontconfig.so
+patchelf --set-rpath \$ORIGIN appdir/usr/lib/libfreetype.so
+
 #modify the desktop file so that linuxdeployqt doesn't barf (version to 1.0, add semicolon to end of certain line types)
 sed -i 's/^Categor.*/&;/ ; s/^Keyword.*/&;/ ; s/1\.1/1\.0/' appdir/usr/share/applications/org.flightgear.FlightGear.desktop