diff --git a/pkg/models/models.go b/pkg/models/models.go
index 8885b7a..61c6798 100644
--- a/pkg/models/models.go
+++ b/pkg/models/models.go
@@ -7,5 +7,5 @@ type Measurements struct {
 }
 
 func (m *Measurements) Equals(other *Measurements) bool {
-	return m.PCR0 == other.PCR0 && m.PCR1 == other.PCR1 && m.PCR2 == other.PCR2
+	return (m != nil && other != nil) && m.PCR0 == other.PCR0 && m.PCR1 == other.PCR1 && m.PCR2 == other.PCR2
 }