diff --git a/extra/innochecksum.cc b/extra/innochecksum.cc
index 4dca6572434cb..beda56032b883 100644
--- a/extra/innochecksum.cc
+++ b/extra/innochecksum.cc
@@ -817,6 +817,16 @@ write_file(
 	return(true);
 }
 
+// checks using current xdes page whether the page is free
+static bool page_is_free(const byte *xdes, page_size_t page_size,
+                         size_t page_no)
+{
+  const byte *des=
+      xdes + XDES_ARR_OFFSET +
+      XDES_SIZE * ((page_no & (page_size.physical() - 1)) / FSP_EXTENT_SIZE);
+  return xdes_get_bit(des, XDES_FREE_BIT, page_no % FSP_EXTENT_SIZE);
+}
+
 /*
 Parse the page and collect/dump the information about page type
 @param [in] page	buffer page
@@ -908,11 +918,7 @@ parse_page(
 				std::map<unsigned long long, per_index_stats>::iterator it;
 				it = index_ids.find(id);
 				per_index_stats &index = (it->second);
-				const byte* des = xdes + XDES_ARR_OFFSET
-					+ XDES_SIZE * ((page_no & (page_size.physical() - 1))
-						/ FSP_EXTENT_SIZE);
-				if (xdes_get_bit(des, XDES_FREE_BIT,
-						page_no % FSP_EXTENT_SIZE)) {
+				if (page_is_free(xdes, page_size, page_no)) {
 					index.free_pages++;
 					return;
 				}
@@ -1072,7 +1078,6 @@ parse_page(
 
 	case FIL_PAGE_TYPE_FSP_HDR:
 		page_type.n_fil_page_type_fsp_hdr++;
-		memcpy(xdes, page, page_size.physical());
 		if (page_type_dump) {
 			fprintf(file, "#::%llu\t\t|\t\tFile Space "
 				"Header\t\t|\t%s\n", cur_page_num, str);
@@ -1081,7 +1086,6 @@ parse_page(
 
 	case FIL_PAGE_TYPE_XDES:
 		page_type.n_fil_page_type_xdes++;
-		memcpy(xdes, page, page_size.physical());
 		if (page_type_dump) {
 			fprintf(file, "#::%llu\t\t|\t\tExtent descriptor "
 				"page\t\t|\t%s\n", cur_page_num, str);
@@ -1814,6 +1818,8 @@ int main(
 			printf("page %llu ", cur_page_num);
 		}
 
+		memcpy(xdes, buf, physical_page_size);
+
 		if (page_type_summary || page_type_dump) {
 			parse_page(buf, xdes, fil_page_type, page_size, is_encrypted);
 		}
@@ -1992,6 +1998,7 @@ int main(
 			/* If no-check is enabled, skip the
 			checksum verification.*/
 			if (!no_check
+			    && !page_is_free(xdes, page_size, cur_page_num)
 			    && !skip_page
 			    && (exit_status = verify_checksum(
 						buf, page_size,
@@ -2014,6 +2021,10 @@ int main(
 				printf("page %llu ", cur_page_num);
 			}
 
+			if (page_get_page_no(buf) % physical_page_size == 0) {
+				memcpy(xdes, buf, physical_page_size);
+			}
+
 			if (page_type_summary || page_type_dump) {
 				parse_page(buf, xdes, fil_page_type, page_size, is_encrypted);
 			}