diff --git a/update-repo.sh b/update-repo.sh
index a4d0ff8..73c3e81 100755
--- a/update-repo.sh
+++ b/update-repo.sh
@@ -46,12 +46,24 @@ find . -regex '.*\.t[bglx]z$' | while read -r package; do
     pkgsize="$cachedir/$pkgdir/$pkgbase.size"
     pkgusize="$cachedir/$pkgdir/$pkgbase.usize"
 
-    [ -f "$pkgtxt" -a \
-      -f "$pkgmeta" -a \
-      -f "$pkgmanifest" -a \
-      -f "$pkgsize" -a \
-      -f "$pkgusize" ] && continue
-    [ "$gpgkey" -a -f "$package.asc" ] && continue
+    pkgsum="$cachedir/$pkgdir/$pkgbase.checksum"
+
+    skip=false
+
+    if [ -f "$pkgtxt" -a \
+         -f "$pkgmeta" -a \
+         -f "$pkgmanifest" -a \
+         -f "$pkgsize" -a \
+         -f "$pkgusize" -a \
+         -f "$pkgsum" ]; then
+        if [ "$gpgkey" ]; then
+            if [ -f "$package.asc" ]; then
+                md5sum --status -c "$pkgsum" && continue
+            fi
+        else
+            md5sum --status -c "$pkgsum" && continue
+        fi
+    fi
 
     echo "Adding $package..."
     mkdir -p "$cachedir/$pkgdir"
@@ -97,6 +109,9 @@ EOF
 
     # Remove decompressed package
     rm -f "$tmppkg"
+
+    # Save checksum
+    md5sum "$package" > "$pkgsum"
 done
 
 # Generate shitty ChangeLog.txt