diff --git a/image.c b/image.c
index f1163ae..df16813 100644
--- a/image.c
+++ b/image.c
@@ -261,12 +261,12 @@ int image_find_regions(struct image *image)
 		if (regions[i+2].data + regions[i+2].size
 				!= regions[i+3].data) {
 			fprintf(stderr, "warning: gap in section table:\n");
-			fprintf(stderr, "    %-8s: 0x%08lx - 0x%08lx,\n",
+			fprintf(stderr, "    %-8s: 0x%08tx - 0x%08tx,\n",
 					regions[i+2].name,
 					regions[i+2].data - image->buf,
 					regions[i+2].data +
 						regions[i+2].size - image->buf);
-			fprintf(stderr, "    %-8s: 0x%08lx - 0x%08lx,\n",
+			fprintf(stderr, "    %-8s: 0x%08tx - 0x%08tx,\n",
 					regions[i+3].name,
 					regions[i+3].data - image->buf,
 					regions[i+3].data +