diff --git a/tools/grammarcheckers/grammarchecker.cg3 b/tools/grammarcheckers/grammarchecker.cg3
index a8e32815a..d82a4982e 100644
--- a/tools/grammarcheckers/grammarchecker.cg3
+++ b/tools/grammarcheckers/grammarchecker.cg3
@@ -2082,7 +2082,8 @@ ADD:xsyn-pred-attr (&msyn-pred-attr) TARGET  A + Nom  IF
 (NEGATE 0 (Der/Car))(NEGATE 0 Sem/Hum LINK *1 Ine OR Ill OR Ela OR Com OR Adv OR Po BARRIER NOT-NPMODADV)
 (NEGATE -1 COPULAS + Sg3 OR COPULAS + (Prs Sg2) LINK *-1 BOS BARRIER NOT-ADV - Ine - Ela LINK *1 (N Nom) OR (Pron Nom) BARRIER NOT-NPMODADV - A - COPULAS)
 (NEGATE 0 <TH-Inf> LINK *1 (N Acc) BARRIER NOT-NPMOD LINK *1 (TV Inf) BARRIER NOT-ADV-PCLE)
-(NEGATE -1 CC LINK -1 (A Sg) OR (A Pl))  ;
+(NEGATE -1 CC LINK -1 (A Sg) OR (A Pl))
+(NEGATE 1 ("liehket"))  ;
 	#$ Svieriga bieles li {nuora} æjvvalimijda sæbrram, ja nælját giellabæssáj aj ásadibmáj sæbrrin.
 	## Objevta sadje gárgadisájn gånnå le ditransitijvva værbba
 	## Sån ham ij diede man gievrra Pippi la.