diff --git a/tar.c b/tar.c
index 4a81f8f..f2649f1 100644
--- a/tar.c
+++ b/tar.c
@@ -155,16 +155,21 @@ decomp(int fd, const char *tool, const char *flags)
 static ssize_t
 eread(int fd, void *buf, size_t n)
 {
-	ssize_t r;
+	char *tmp = buf;
+	ssize_t r, s = 0;
 
 again:
-	r = read(fd, buf, n);
+	r = read(fd, tmp + s, n - s);
+	s += r;
 	if (r < 0) {
 		if (errno == EINTR)
 			goto again;
 		eprintf("read:");
 	}
-	return r;
+	if (s < n)
+		goto again;
+
+	return s;
 }
 
 static ssize_t