diff --git a/slpkg/grep_md5.py b/slpkg/grep_md5.py
index 5f90e2a0..6a3dd651 100644
--- a/slpkg/grep_md5.py
+++ b/slpkg/grep_md5.py
@@ -31,7 +31,7 @@ def pkg_checksum(binary, repo):
     '''
     Return checksum from CHECKSUMS.md5 file by repository
     '''
-    md5 = "None"
+    md5, end = "None", "/"
     if repo == "slack_patches" and _m.slack_rel == "stable":
         CHECKSUMS_md5 = URL(mirrors("CHECKSUMS.md5", "patches/")).reading()
     elif repo == "slack_patches" and _m.slack_rel == "current":
@@ -43,7 +43,9 @@ def pkg_checksum(binary, repo):
         f = open(lib, "r")
         CHECKSUMS_md5 = f.read()
         f.close()
+    if repo == "alien":
+        end = ""
     for line in CHECKSUMS_md5.splitlines():
-        if line.split('/')[-1] == binary:
+        if line.endswith("%s%s" % (end, binary)):
             md5 = line.split()[0]
     return md5