diff --git a/legacy/embryo/src/bin/embryo_cc_sc.h b/legacy/embryo/src/bin/embryo_cc_sc.h
index 89fd1c3c9b..bedd59eac8 100644
--- a/legacy/embryo/src/bin/embryo_cc_sc.h
+++ b/legacy/embryo/src/bin/embryo_cc_sc.h
@@ -54,7 +54,7 @@
 
 #define sDIMEN_MAX     2	/* maximum number of array dimensions */
 #define sDEF_LITMAX  500	/* initial size of the literal pool, in "cells" */
-#define sLINEMAX     65535	/* input line length (in characters) */
+#define sLINEMAX (640 * 1024)	/* input line length (in characters) */
 #define sDEF_AMXSTACK 4096	/* default stack size for AMX files */
 #define sSTKMAX       80	/* stack for nested #includes and other uses */
 #define PREPROC_TERM  '\x7f'	/* termination character for preprocessor expressions (the "DEL" code) */