diff --git a/src/pacman/sync.c b/src/pacman/sync.c
index c46cf7b3..3eb85d8b 100644
--- a/src/pacman/sync.c
+++ b/src/pacman/sync.c
@@ -725,30 +725,15 @@ int pacman_sync(list_t *targets)
 	for(lp = alpm_list_first(packages); lp; lp = alpm_list_next(lp)) {
 		PM_SYNCPKG *sync = alpm_list_getdata(lp);
 		PM_PKG *spkg = alpm_sync_getinfo(sync, PM_SYNC_PKG);
-		char str[PATH_MAX], pkgname[PATH_MAX];
-		char *md5sum1, *md5sum2;
-
-		snprintf(pkgname, PATH_MAX, "%s-%s" PM_EXT_PKG,
-		                            (char *)alpm_pkg_getinfo(spkg, PM_PKG_NAME),
-		                            (char *)alpm_pkg_getinfo(spkg, PM_PKG_VERSION));
-		md5sum1 = alpm_pkg_getinfo(spkg, PM_PKG_MD5SUM);
-		if(md5sum1 == NULL) {
-			ERR(NL, "can't get md5 checksum for package %s\n", pkgname);
+		if(alpm_pkg_checkmd5sum(spkg) == -1) {
+			if(pm_errno == PM_ERR_PKG_INVALID) {
+				ERR(NL, "archive %s is corrupted\n", alpm_pkg_getinfo(spkg, PM_PKG_NAME));
+			} else {
+				ERR(NL, "could not get checksum for package %s (%s)\n",
+				    alpm_pkg_getinfo(spkg, PM_PKG_NAME), alpm_strerror(pm_errno));
+			}
 			retval = 1;
-			continue;
 		}
-		snprintf(str, PATH_MAX, "%s/%s", ldir, pkgname);
-		md5sum2 = alpm_get_md5sum(str);
-		if(md5sum2 == NULL) {
-			ERR(NL, "can't get md5 checksum for package %s\n", pkgname);
-			retval = 1;
-			continue;
-		}
-		if(strcmp(md5sum1, md5sum2) != 0) {
-			retval = 1;
-			ERR(NL, "archive %s is corrupted\n", pkgname);
-		}
-		FREE(md5sum2);
 	}
 	if(retval) {
 		goto cleanup;