diff --git a/pkg/solana/logpoller/filters.go b/pkg/solana/logpoller/filters.go
index 9eb1f4c99..3ec99ba36 100644
--- a/pkg/solana/logpoller/filters.go
+++ b/pkg/solana/logpoller/filters.go
@@ -282,6 +282,11 @@ func (fl *filters) MatchingFiltersForEncodedEvent(event ProgramEvent) iter.Seq[F
 	}
 
 	discriminator, err := base64.StdEncoding.DecodeString(event.Data[:12])
+	if err != nil {
+		fl.lggr.Errorw("failed to decode event discriminator", "event", event, "err", err)
+		return nil
+	}
+
 	discriminator = discriminator[:8]
 
 	isKnown := func() (ok bool) {