diff --git a/c64/basic/cmd_run.s b/c64/basic/cmd_run.s
index 3667e0bb..c372a8fa 100644
--- a/c64/basic/cmd_run.s
+++ b/c64/basic/cmd_run.s
@@ -1,4 +1,7 @@
 cmd_run:
+	;; RUN clears all variables
+	jsr basic_do_clr
+	
 	;; Reset line pointer to first line of program.
 	lda basic_start_of_text_ptr+0
 	sta basic_current_line_ptr+0