diff --git a/tools/pvck.c b/tools/pvck.c
index 06fd01733..c36e18216 100644
--- a/tools/pvck.c
+++ b/tools/pvck.c
@@ -3064,11 +3064,11 @@ int pvck(struct cmd_context *cmd, int argc, char **argv)
 			return ECMD_FAILED;
 	}
 
+	label_scan_setup_bcache();
+
 	if (dev) {
 		char buf[4096];
 
-		label_scan_setup_bcache();
-
 		/*
 		 * This buf is not used, but bcache data is used for subsequent
 		 * reads in the filters and by _read_bytes for other disk structs.