--- a/src/gtkhex.c	2023-10-20 08:46:48.908326940 +0200
+++ b/src/gtkhex.c	2023-10-20 08:48:36.279989231 +0200
@@ -1890,6 +1890,7 @@
 
 	/* FIXME - This could use a cleanup. Mostly flown in from old code.
 	 */
+	gint64 line_beg, line_end;
 	switch(keyval)
 	{
 		case GDK_KEY_BackSpace:
@@ -1941,7 +1942,7 @@
 			break;
 
 		case GDK_KEY_Home:
-			gint64 line_beg = self->cursor_pos;
+			line_beg = self->cursor_pos;
 
 			while (line_beg % self->cpl != 0)
 				--line_beg;
@@ -1951,7 +1952,7 @@
 			break;
 
 		case GDK_KEY_End:
-			gint64 line_end = self->cursor_pos;
+			line_end = self->cursor_pos;
 
 			while (line_end % self->cpl != self->cpl - 1)
 				++line_end;