diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h
index 7aa6afbbb8..1194be9281 100644
--- a/src/include/access/nbtree.h
+++ b/src/include/access/nbtree.h
@@ -105,7 +105,7 @@ typedef struct BTMetaPageData
 	/* following fields are available since page version 3 */
 	TransactionId btm_oldest_btpo_xact;	/* oldest btpo_xact among of
 										 * deleted pages */
-	float4		btm_last_cleanup_num_heap_tuples; /* number of heap tuples
+	float8		btm_last_cleanup_num_heap_tuples; /* number of heap tuples
 												   * during last cleanup */
 } BTMetaPageData;
 
diff --git a/src/include/access/nbtxlog.h b/src/include/access/nbtxlog.h
index c55b618ff7..819373031c 100644
--- a/src/include/access/nbtxlog.h
+++ b/src/include/access/nbtxlog.h
@@ -52,7 +52,7 @@ typedef struct xl_btree_metadata
 	BlockNumber fastroot;
 	uint32		fastlevel;
 	TransactionId oldest_btpo_xact;
-	double		last_cleanup_num_heap_tuples;
+	float8		last_cleanup_num_heap_tuples;
 } xl_btree_metadata;
 
 /*
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index acd6791563..2954cba6b3 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -53,6 +53,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	201804091
+#define CATALOG_VERSION_NO	201804191
 
 #endif