diff --git a/chart/flux/templates/deployment.yaml b/chart/flux/templates/deployment.yaml
index b08e77803d..6353edc641 100644
--- a/chart/flux/templates/deployment.yaml
+++ b/chart/flux/templates/deployment.yaml
@@ -191,8 +191,10 @@ spec:
           - --connect=wss://cloud.weave.works/api/flux
           - --token={{ .Values.token }}
           {{- end }}
-          {{- if .Values.syncGarbageCollection.enabled }}
+          {{- if .Values.syncGarbageCollection.enabled and not .Values.syncGarbageCollection.dry}}
           - --sync-garbage-collection={{ .Values.syncGarbageCollection.enabled }}
+          {{- else if .Values.syncGarbageCollection.dry }}
+          - --dry-run-garbage-collection={{ .Values.syncGarbageCollection.dry }}
           {{- end }}
           {{- if .Values.additionalArgs }}
 {{ toYaml .Values.additionalArgs | indent 10 }}
diff --git a/chart/flux/values.yaml b/chart/flux/values.yaml
index 9987301a2b..f1d4e40f2f 100644
--- a/chart/flux/values.yaml
+++ b/chart/flux/values.yaml
@@ -231,6 +231,7 @@ prometheus:
 
 syncGarbageCollection:
   enabled: false
+  dry: false
 
 # Add your own init container or uncomment and modify the given example.
 initContainers: {}