diff --git a/src/aliases/,aliases_ram_lowmem.s b/src/aliases/,aliases_ram_lowmem.s
index edf48071..dbd6664e 100644
--- a/src/aliases/,aliases_ram_lowmem.s
+++ b/src/aliases/,aliases_ram_lowmem.s
@@ -56,6 +56,7 @@
 	!addr DSCPNT    = $50 ; $50-$52  temporary area fro string handling, [!] our usage might differ
 	!addr FOUR6     = $53 ;          size of variable content (float = 5, integer = 2, string descriptor = 3)
 	!addr JMPER     = $54 ; $54-$56  -- NOT IMPLEMENTED --
+	!addr OLDOV     = $56 ;          old floating point overflow byte
 	!addr TEMPF1    = $57 ; $57-$5B  BASIC numeric work area
 	!addr TEMPF2    = $5C ; $5C-$60  BASIC numeric work area