$ locate -i sourcesanspro /home/.../luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/fonts/otl/sourcesanspro-regular.tma /home/.../luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/fonts/otl/sourcesanspro-regular.tmc /usr/local/share/fonts/google/s/SourceSansPro-Black.ttf /usr/local/share/fonts/google/s/SourceSansPro-BlackItalic.ttf /usr/local/share/fonts/google/s/SourceSansPro-Bold.ttf /usr/local/share/fonts/google/s/SourceSansPro-BoldItalic.ttf /usr/local/share/fonts/google/s/SourceSansPro-ExtraLight.ttf /usr/local/share/fonts/google/s/SourceSansPro-ExtraLightItalic.ttf /usr/local/share/fonts/google/s/SourceSansPro-Italic.ttf /usr/local/share/fonts/google/s/SourceSansPro-Light.ttf /usr/local/share/fonts/google/s/SourceSansPro-LightItalic.ttf /usr/local/share/fonts/google/s/SourceSansPro-Regular.ttf /usr/local/share/fonts/google/s/SourceSansPro-Semibold.ttf /usr/local/share/fonts/google/s/SourceSansPro-SemiboldItalic.ttf $ echo $OSFONTDIR /home/.../.fonts:/usr/share/fonts:/usr/local/share/fonts:/usr/share/texmf/fonts/opentype:/usr/share/fonts/type1/gsfonts The font is there, it's in the OSFONTDIR path. Why isn't it found? I've tried mtxrun --script fonts --reload luatools --generate context --reload context --generate Further: $ mtxrun --script fonts --list --all --pattern=sourcesans sourcesanspro sourcesansproregular /usr/local/share/fonts/google/s/SourceSansPro-Regular.ttf sourcesansproblack sourcesansproblack /usr/local/share/fonts/google/s/SourceSansPro-Black.ttf sourcesansproblackit sourcesansproblackit /usr/local/share/fonts/google/s/SourceSansPro-BlackItalic.ttf sourcesansproblackitalic sourcesansproblackit /usr/local/share/fonts/google/s/SourceSansPro-BlackItalic.ttf sourcesansprobold sourcesansprobold /usr/local/share/fonts/google/s/SourceSansPro-Bold.ttf sourcesansproboldit sourcesansproboldit /usr/local/share/fonts/google/s/SourceSansPro-BoldItalic.ttf sourcesansprobolditalic sourcesansproboldit /usr/local/share/fonts/google/s/SourceSansPro-BoldItalic.ttf sourcesansproextralight sourcesansproextralight /usr/local/share/fonts/google/s/SourceSansPro-ExtraLight.ttf sourcesansproextralightit sourcesansproextralightit /usr/local/share/fonts/google/s/SourceSansPro-ExtraLightItalic.ttf sourcesansproextralightitalic sourcesansproextralightit /usr/local/share/fonts/google/s/SourceSansPro-ExtraLightItalic.ttf sourcesansproit sourcesansproit /usr/local/share/fonts/google/s/SourceSansPro-Italic.ttf sourcesansproitalic sourcesansproit /usr/local/share/fonts/google/s/SourceSansPro-Italic.ttf sourcesansprolight sourcesansprolight /usr/local/share/fonts/google/s/SourceSansPro-Light.ttf sourcesansprolightit sourcesansprolightit /usr/local/share/fonts/google/s/SourceSansPro-LightItalic.ttf sourcesansprolightitalic sourcesansprolightit /usr/local/share/fonts/google/s/SourceSansPro-LightItalic.ttf sourcesanspronormal sourcesansproregular /usr/local/share/fonts/google/s/SourceSansPro-Regular.ttf sourcesansproregular sourcesansproregular /usr/local/share/fonts/google/s/SourceSansPro-Regular.ttf sourcesansprosemibold sourcesansprosemibold /usr/local/share/fonts/google/s/SourceSansPro-Semibold.ttf sourcesansprosemiboldit sourcesansprosemiboldit /usr/local/share/fonts/google/s/SourceSansPro-SemiboldItalic.ttf sourcesansprosemibolditalic sourcesansprosemiboldit /usr/local/share/fonts/google/s/SourceSansPro-SemiboldItalic.ttf Still not found.