diff --git a/cmd/tpm-v2.c b/cmd/tpm-v2.c
index bb51834..459a955 100644
--- a/cmd/tpm-v2.c
+++ b/cmd/tpm-v2.c
@@ -151,7 +151,7 @@
 
 	rc = tpm2_pcr_read(dev, index, priv->pcr_select_min, data, &updates);
 	if (!rc) {
-		printf("PCR #%u content (%d known updates):\n", index, updates);
+		printf("PCR #%u content (%u known updates):\n", index, updates);
 		print_byte_string(data, TPM2_DIGEST_LEN);
 	}