diff --git a/src/userland/mbr/main.c b/src/userland/mbr/main.c
index 6b8fe83..10883d3 100644
--- a/src/userland/mbr/main.c
+++ b/src/userland/mbr/main.c
@@ -21,6 +21,14 @@
     }
     for (uint32_t entry = 0; entry < 4; entry++) {
         PartitionTableEntry *partition = &device->mbr->entries[entry];
+        if (partition->lbaStart == 0 ||
+            (partition->startCHS[0] == 0 &&
+             partition->startCHS[1] == 0 &&
+             partition->startCHS[2] == 0)) {
+            // starting at the first block, this partition does not exist
+            // skip it
+            continue;
+        }
         printf("partition %i: %i: start: %i, end: %i, active: %i\n", entry, partition->type, partition->lbaStart, partition->lbaStart + partition->sectorCount, partition->active);
         if (partition->type == 0xEE) {
             printf("partition %i is a GPT\n", entry);