diff --git a/usr.bin/tcopy/tcopy.c b/usr.bin/tcopy/tcopy.c
index 85645c432572..24dcc969a9af 100644
--- a/usr.bin/tcopy/tcopy.c
+++ b/usr.bin/tcopy/tcopy.c
@@ -263,6 +263,7 @@ r2:		if (inn != outn) {
 		if (!inn) {
 			if (eot++) {
 				fprintf(msg, "tcopy: tapes are identical.\n");
+				free(inb);
 				return;
 			}
 		} else {