diff --git a/meta/recipes-multimedia/flac/flac_1.5.0.bb b/meta/recipes-multimedia/flac/flac_1.5.0.bb
index 2f43b4e84b..a667ea9f62 100644
--- a/meta/recipes-multimedia/flac/flac_1.5.0.bb
+++ b/meta/recipes-multimedia/flac/flac_1.5.0.bb
@@ -44,6 +44,6 @@ FILES:libflac++ = "${libdir}/libFLAC++.so.*"
 do_install:append() {
     # make the links in documentation relative to avoid buildpaths reproducibility problem
     sed -i "s#${S}/include#${includedir}#g" ${D}${docdir}/flac/FLAC.tag ${D}${docdir}/flac/api/*.html
-    # there is also one root path without trailing slash
-    sed -i "s#${S}#/#g" ${D}${docdir}/flac/api/*.html
+    # there are also some root paths in API titles
+    sed -i "s#${UNPACKDIR}#sources#g" ${D}${docdir}/flac/api/*.html
 }