diff --git a/gpt.c b/gpt.c
index c5f534f..59fafd6 100644
--- a/gpt.c
+++ b/gpt.c
@@ -362,6 +362,12 @@ int gpt_write(const struct gpt *gpt)
         return -1;
     }
 
+    rc = ioctl(fd, BLKRRPART);
+    if (rc != 0) {
+        fprintf(stderr, "failed to re-read partition table\n");
+        return -1;
+    }
+
     memcpy(&hdr, &gpt->header, sizeof(hdr));
 
     hdr.ptbl_crc = 0;
@@ -430,6 +436,12 @@ int gpt_write(const struct gpt *gpt)
         }
     }
 
+    rc = ioctl(fd, BLKRRPART);
+    if (rc != 0) {
+        fprintf(stderr, "failed to re-read partition table\n");
+        return -1;
+    }
+
     close(fd);
 
     return 0;