diff --git a/.gitignore b/.gitignore
index ed7a98c..2e20d54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,4 @@
 *.out
 
 # KetBrains IDEs files
-.idea
\ No newline at end of file
+.idea
diff --git a/ssl_exporter.go b/ssl_exporter.go
index ad20815..ed8b43b 100644
--- a/ssl_exporter.go
+++ b/ssl_exporter.go
@@ -125,7 +125,7 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
 		subject_emails := cert.EmailAddresses
 		subject_ips := cert.IPAddresses
 		serial_no := cert.SerialNumber.String()
-		ous := cert.Subject.OrganizationalUnit
+		subject_ous := cert.Subject.OrganizationalUnit
 
 		if !cert.NotAfter.IsZero() {
 			ch <- prometheus.MustNewConstMetric(
@@ -167,9 +167,9 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
 			)
 		}
 
-		if len(ous) > 0 {
+		if len(subject_ous) > 0 {
 			ch <- prometheus.MustNewConstMetric(
-				subjectOrganizationUnits, prometheus.GaugeValue, 1, serial_no, issuer_cn, ","+strings.Join(ous, ",")+",",
+				subjectOrganizationUnits, prometheus.GaugeValue, 1, serial_no, issuer_cn, ","+strings.Join(subject_ous, ",")+",",
 			)
 		}
 	}