diff --git a/src/basic/basic_commands_CC/cmd_merge.s b/src/basic/basic_commands_CC/cmd_merge.s
index 6bcabe8d..e3e2194e 100644
--- a/src/basic/basic_commands_CC/cmd_merge.s
+++ b/src/basic/basic_commands_CC/cmd_merge.s
@@ -16,6 +16,10 @@ cmd_merge:
 
 	jsr helper_load_fetch_devnum
 
+	// Make sure VARTAB is correctly set
+
+	jsr calculate_VARTAB
+
 	// Perform loading - just for a different address
 
 	sec