diff --git a/cmd/podman/images/trust_set.go b/cmd/podman/images/trust_set.go
index e7339f0b18..2ed91d9c46 100644
--- a/cmd/podman/images/trust_set.go
+++ b/cmd/podman/images/trust_set.go
@@ -41,7 +41,7 @@ func init() {
 	_ = setFlags.MarkHidden("policypath")
 
 	pubkeysfileFlagName := "pubkeysfile"
-	setFlags.StringSliceVarP(&setOptions.PubKeysFile, pubkeysfileFlagName, "f", []string{}, `Path of installed public key(s) to trust for TARGET.
+	setFlags.StringArrayVarP(&setOptions.PubKeysFile, pubkeysfileFlagName, "f", []string{}, `Path of installed public key(s) to trust for TARGET.
 Absolute path to keys is added to policy.json. May
 used multiple times to define multiple public keys.
 File(s) must exist before using this command`)