diff --git a/api/v1alpha1/irsa_types.go b/api/v1alpha1/irsa_types.go
index 5145697..b6ade49 100644
--- a/api/v1alpha1/irsa_types.go
+++ b/api/v1alpha1/irsa_types.go
@@ -87,7 +87,7 @@ type StatusServiceAccountList []IRSANamespacedNameWithTags
 
 func (s *StatusServiceAccountList) IsExist(nsNames types.NamespacedName) bool {
 	return slices.ContainsFunc(*s, func(sa IRSANamespacedNameWithTags) bool {
-		return sa.Name == nsNames.Name && sa.Name == nsNames.Namespace
+		return sa.Name == nsNames.Name && sa.Namespace == nsNames.Namespace
 	})
 }
 
diff --git a/api/v1alpha1/irsa_types_test.go b/api/v1alpha1/irsa_types_test.go
index cadf3fa..46b1496 100644
--- a/api/v1alpha1/irsa_types_test.go
+++ b/api/v1alpha1/irsa_types_test.go
@@ -83,3 +83,45 @@ func TestStatusServiceAccountList_Delete(t *testing.T) {
 		})
 	}
 }
+
+func TestStatusServiceAccountList_IsExist(t *testing.T) {
+	tests := []struct {
+		name     string
+		initial  StatusServiceAccountList
+		toCheck  types.NamespacedName
+		expected bool
+	}{
+		{
+			name: "Item exists",
+			initial: StatusServiceAccountList{
+				{Name: "existing", Namespace: "default"},
+				{Name: "another", Namespace: "default"},
+			},
+			toCheck:  types.NamespacedName{Name: "existing", Namespace: "default"},
+			expected: true,
+		},
+		{
+			name: "Item does not exist",
+			initial: StatusServiceAccountList{
+				{Name: "existing", Namespace: "default"},
+			},
+			toCheck:  types.NamespacedName{Name: "nonexisting", Namespace: "default"},
+			expected: false,
+		},
+		{
+			name: "Item with different namespace",
+			initial: StatusServiceAccountList{
+				{Name: "existing", Namespace: "default"},
+			},
+			toCheck:  types.NamespacedName{Name: "existing", Namespace: "othernamespace"},
+			expected: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := tt.initial.IsExist(tt.toCheck)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}