diff --git a/src/shared/dissect-image.c b/src/shared/dissect-image.c
index 2bef82dd34..ef73b11014 100644
--- a/src/shared/dissect-image.c
+++ b/src/shared/dissect-image.c
@@ -195,6 +195,13 @@ static int probe_blkid_filter(blkid_probe p) {
         if (r < 0)
                 return r;
 
+        /* allowed_fstypes() returns the list of filesystem types that we are willing to mount. For the
+         * blkid probe filter we additionally need to be able to detect crypto_LUKS (so that we can set up
+         * LUKS decryption for encrypted partitions) and swap (so that we can identify swap partitions). */
+        r = strv_extend_many(&fstypes, "crypto_LUKS", "swap");
+        if (r < 0)
+                return r;
+
         errno = 0;
         r = sym_blkid_probe_filter_superblocks_type(p, BLKID_FLTR_ONLYIN, fstypes);
         if (r != 0)