diff --git a/collector/pg_stat_bgwriter_test.go b/collector/pg_stat_bgwriter_test.go
index ddf9976a2..1c2cf98de 100644
--- a/collector/pg_stat_bgwriter_test.go
+++ b/collector/pg_stat_bgwriter_test.go
@@ -51,7 +51,7 @@ func TestPGStatBGWriterCollector(t *testing.T) {
 	}
 
 	rows := sqlmock.NewRows(columns).
-		AddRow(354, 4945, 289097744, 1242257, 3275602074, 89320867, 450139, 2034563757, 0, 2725688749, srT)
+		AddRow(354, 4945, 289097744, 1242257, int64(3275602074), 89320867, 450139, 2034563757, 0, int64(2725688749), srT)
 	mock.ExpectQuery(sanitizeQuery(statBGWriterQuery)).WillReturnRows(rows)
 
 	ch := make(chan prometheus.Metric)
diff --git a/collector/pg_stat_database_test.go b/collector/pg_stat_database_test.go
index 0c2b5ea86..1fe92eedc 100644
--- a/collector/pg_stat_database_test.go
+++ b/collector/pg_stat_database_test.go
@@ -67,12 +67,12 @@ func TestPGStatDatabaseCollector(t *testing.T) {
 			4945,
 			289097744,
 			1242257,
-			3275602074,
+			int64(3275602074),
 			89320867,
 			450139,
 			2034563757,
 			0,
-			2725688749,
+			int64(2725688749),
 			23,
 			52,
 			74,
@@ -263,12 +263,12 @@ func TestPGStatDatabaseCollectorRowLeakTest(t *testing.T) {
 			4945,
 			289097744,
 			1242257,
-			3275602074,
+			int64(3275602074),
 			89320867,
 			450139,
 			2034563757,
 			0,
-			2725688749,
+			int64(2725688749),
 			23,
 			52,
 			74,