I would recommend this method. It coutd fix your problem permanently: -
(credit to 
https://gist.github.com/cryzed/e002e705 … 9e748c5671
1.Just install freetype2 , fontconfig and cairo from official arch repo.
2.Open terminal to create fonts.conf file in ~/.config/fontconfig directory.
$ mkdir ~/.config/fontconfig
$ cd ~/.config/fontconfig
$ gedit fonts.conf
paste this config in new created fonts.conf
	
	
	
		Kod:
	
	
		<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<!-- ~/.config/fontconfig/fonts.conf file to configure user font access -->
<fontconfig>
    <match target="font">
        <edit mode="assign" name="rgba">
            <const>rgb</const>
        </edit>
        <!-- Should be enabled by default -->
        <edit mode="assign" name="hinting">
            <bool>true</bool>
        </edit>
        <!-- Should be disabled by default
    <edit name="autohint" mode="assign">
      <bool>false</bool>
    </edit>-->
        <!-- Should be enabled by default -->
        <edit mode="assign" name="antialias">
            <bool>true</bool>
        </edit>
        <edit mode="assign" name="hintstyle">
            <const>hintslight</const>
        </edit>
        <edit mode="assign" name="lcdfilter">
            <const>lcddefault</const>
        </edit>
    </match>
<!--use ubuntu fonts as default. -->
<alias>
    <family>sans-serif</family>
    <prefer>
        <family>Ubuntu</family>
    </prefer>
</alias>
<alias>
    <family>serif</family>
    <prefer>
        <family>Ubuntu</family>
    </prefer>
</alias>
<alias>
    <family>monospace</family>
    <prefer>
        <family>Ubuntu Mono</family>
    </prefer>
</alias>
</fontconfig>
	 
 
3.Save fonts.conf.
4.Log out & Log in again or restart. You should see the result.
F.Y.I
Replace whatever fonts you like instead of Ubuntu or Ubuntu Mono.