diff --git a/lib/src/translator/DictionaryEng.gf b/lib/src/translator/DictionaryEng.gf
index eeda5697c..e99c296f7 100644
--- a/lib/src/translator/DictionaryEng.gf
+++ b/lib/src/translator/DictionaryEng.gf
@@ -58635,7 +58635,7 @@ lin tiara_N = mkN "tiara" "tiaras";
 lin tibet_PN = mkPN "Tibet";
 lin tibetan_A = compoundA (mkA "Tibetan");
 lin tibetan_N = mkN "Tibetan" "Tibetans";
-lin tibia_N = mkN "tibia" "tibiae" {- FIXME: guessed plural form -};
+lin tibia_N = mkN "tibia" (variants {"tibiae"; "tibias"});
 lin tibial_A = mkA "tibial" ;
 lin tibialis_N = mkN "tibialis" ;
 lin tic_N = mkN "tic" "tics";