diff --git a/src/puresize.h b/src/puresize.h
index 724e0747f06..147b377a69b 100644
--- a/src/puresize.h
+++ b/src/puresize.h
@@ -42,7 +42,7 @@ Boston, MA 02111-1307, USA.  */
 #endif
 
 #ifndef BASE_PURESIZE
-#define BASE_PURESIZE (790000 + SYSTEM_PURESIZE_EXTRA + SITELOAD_PURESIZE_EXTRA)
+#define BASE_PURESIZE (830000 + SYSTEM_PURESIZE_EXTRA + SITELOAD_PURESIZE_EXTRA)
 #endif
 
 /* Increase BASE_PURESIZE by a ratio depending on the machine's word size.  */