diff --git a/pkg/metrics/descriptors.go b/pkg/metrics/descriptors.go
index 57154fe9a0..0a8dac8f3d 100644
--- a/pkg/metrics/descriptors.go
+++ b/pkg/metrics/descriptors.go
@@ -51,12 +51,12 @@ func newID(id int, gid GID) ID {
 	return ID(gid)<<gidShift + (ID(id) & idMask)
 }
 
-func (id ID) id() int {
-	return int(id & idMask)
+func (id ID) id() uint32 {
+	return uint32(id & idMask)
 }
 
-func (id ID) gid() int {
-	return int(id >> gidShift)
+func (id ID) gid() uint32 {
+	return uint32(id >> gidShift)
 }
 
 func (id *ID) setGID(gid GID) {
diff --git a/pkg/metrics/descriptors_test.go b/pkg/metrics/descriptors_test.go
index 0c45da875d..77bc2c994d 100644
--- a/pkg/metrics/descriptors_test.go
+++ b/pkg/metrics/descriptors_test.go
@@ -9,13 +9,13 @@ import (
 func TestID_newID(t *testing.T) {
 	var id = newID(0xff, 0xff0f0fff)
 	assert.Equal(t, id, ID(0xff0f0fff000000ff))
-	assert.Equal(t, id.id(), 0xff)
-	assert.Equal(t, id.gid(), 0xff0f0fff)
+	assert.Equal(t, id.id(), uint32(0xff))
+	assert.Equal(t, id.gid(), uint32(0xff0f0fff))
 }
 
 func TestID_setGID(t *testing.T) {
 	var id = ID(1)
-	assert.Equal(t, id.gid(), 0)
+	assert.Equal(t, id.gid(), uint32(0))
 	id.setGID(1)
-	assert.Equal(t, id.gid(), 1)
+	assert.Equal(t, id.gid(), uint32(1))
 }