diff --git a/component/component/billing.jsonnet b/component/component/billing.jsonnet
index 3fe6d1ab2..d8a2ca8f2 100644
--- a/component/component/billing.jsonnet
+++ b/component/component/billing.jsonnet
@@ -127,7 +127,7 @@ local backfillCJ = function(name, query, sla, type)
         env+: commonEnv + jobEnv,
         command: [ 'sh', '-c' ],
         args: [
-          'appuio-reporting report --timerange 1h --begin=$(date -d "now -3 hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u -Iseconds)',
+          'appuio-reporting report --timerange 1h --begin=$(date -d "now -3 hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u +"%Y-%m-%dT%H:00:00Z)',
         ],
         resources: {},
       },
diff --git a/component/tests/golden/vshn/appcat/appcat/billing/11_backfill.yaml b/component/tests/golden/vshn/appcat/appcat/billing/11_backfill.yaml
index d62cbb961..7912dd715 100644
--- a/component/tests/golden/vshn/appcat/appcat/billing/11_backfill.yaml
+++ b/component/tests/golden/vshn/appcat/appcat/billing/11_backfill.yaml
@@ -32,7 +32,7 @@ spec:
           containers:
             - args:
                 - appuio-reporting report --timerange 1h --begin=$(date -d "now -3
-                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u -Iseconds)
+                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u +"%Y-%m-%dT%H:00:00Z)
               command:
                 - sh
                 - -c
@@ -119,7 +119,7 @@ spec:
           containers:
             - args:
                 - appuio-reporting report --timerange 1h --begin=$(date -d "now -3
-                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u -Iseconds)
+                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u +"%Y-%m-%dT%H:00:00Z)
               command:
                 - sh
                 - -c
@@ -206,7 +206,7 @@ spec:
           containers:
             - args:
                 - appuio-reporting report --timerange 1h --begin=$(date -d "now -3
-                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u -Iseconds)
+                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u +"%Y-%m-%dT%H:00:00Z)
               command:
                 - sh
                 - -c
@@ -293,7 +293,7 @@ spec:
           containers:
             - args:
                 - appuio-reporting report --timerange 1h --begin=$(date -d "now -3
-                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u -Iseconds)
+                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u +"%Y-%m-%dT%H:00:00Z)
               command:
                 - sh
                 - -c
@@ -380,7 +380,7 @@ spec:
           containers:
             - args:
                 - appuio-reporting report --timerange 1h --begin=$(date -d "now -3
-                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u -Iseconds)
+                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u +"%Y-%m-%dT%H:00:00Z)
               command:
                 - sh
                 - -c
@@ -467,7 +467,7 @@ spec:
           containers:
             - args:
                 - appuio-reporting report --timerange 1h --begin=$(date -d "now -3
-                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u -Iseconds)
+                  hours" -u +"%Y-%m-%dT%H:00:00Z") --repeat-until=$(date -u +"%Y-%m-%dT%H:00:00Z)
               command:
                 - sh
                 - -c