diff --git a/go.mod b/go.mod
index b1183d4..9bc8377 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/99designs/gqlgen v0.17.24
-	github.com/ClusterCockpit/cc-units v0.3.0
+	github.com/ClusterCockpit/cc-units v0.4.0
 	github.com/Masterminds/squirrel v1.5.3
 	github.com/go-ldap/ldap/v3 v3.4.4
 	github.com/go-sql-driver/mysql v1.7.0
diff --git a/go.sum b/go.sum
index 2711514..e2a6276 100644
--- a/go.sum
+++ b/go.sum
@@ -83,6 +83,8 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/ClickHouse/clickhouse-go v1.4.3/go.mod h1:EaI/sW7Azgz9UATzd5ZdZHRUhHgv5+JMS9NSr2smCJI=
 github.com/ClusterCockpit/cc-units v0.3.0 h1:JEKgEyvN4GABheKIReW2siDXgpYf2zf4STXV2ip418Y=
 github.com/ClusterCockpit/cc-units v0.3.0/go.mod h1:3S3PAhAayS3pbgcT4q9Vn9VJw22Op51X0YimtG77zBw=
+github.com/ClusterCockpit/cc-units v0.4.0 h1:zP5DOu99GmErW0tCDf0gcLrlWt42RQ9dpoONEOh4cI0=
+github.com/ClusterCockpit/cc-units v0.4.0/go.mod h1:3S3PAhAayS3pbgcT4q9Vn9VJw22Op51X0YimtG77zBw=
 github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
 github.com/Masterminds/squirrel v1.5.3 h1:YPpoceAcxuzIljlr5iWpNKaql7hLeG1KLSrhvdHpkZc=
diff --git a/tools/archive-migration/main.go b/tools/archive-migration/main.go
index 32671e7..17dcc16 100644
--- a/tools/archive-migration/main.go
+++ b/tools/archive-migration/main.go
@@ -17,6 +17,7 @@ import (
 	"github.com/ClusterCockpit/cc-backend/internal/config"
 	"github.com/ClusterCockpit/cc-backend/pkg/log"
 	"github.com/ClusterCockpit/cc-backend/pkg/schema"
+	ccunits "github.com/ClusterCockpit/cc-units"
 )
 
 const Version = 1
@@ -37,26 +38,26 @@ func loadJobData(filename string) (*JobData, error) {
 func ConvertUnitString(us string) schema.Unit {
 	var nu schema.Unit
 
-	// if us == "CPI" ||
-	// 	us == "IPC" ||
-	// 	us == "load" ||
-	// 	us == "" {
-	// 	nu.Base = us
-	// 	return nu
-	// }
-	// u := ccunits.NewUnit(us)
-	// p := u.getPrefix()
-	// if p.Prefix() != "" {
-	// 	prefix := p.Prefix()
-	// 	nu.Prefix = &prefix
-	// }
-	// m := u.getMeasure()
-	// d := u.getUnitDenominator()
-	// if d.Short() != "inval" {
-	// 	nu.Base = fmt.Sprintf("%s/%s", m.Short(), d.Short())
-	// } else {
-	// 	nu.Base = m.Short()
-	// }
+	if us == "CPI" ||
+		us == "IPC" ||
+		us == "load" ||
+		us == "" {
+		nu.Base = us
+		return nu
+	}
+	u := ccunits.NewUnit(us)
+	p := u.GetPrefix()
+	if p.Prefix() != "" {
+		prefix := p.Prefix()
+		nu.Prefix = prefix
+	}
+	m := u.GetMeasure()
+	d := u.GetUnitDenominator()
+	if d.Short() != "inval" {
+		nu.Base = fmt.Sprintf("%s/%s", m.Short(), d.Short())
+	} else {
+		nu.Base = m.Short()
+	}
 
 	return nu
 }