diff --git a/65C02_extended_opcodes_test.a65c b/65C02_extended_opcodes_test.a65c
index fa3dc72..120ae18 100644
--- a/65C02_extended_opcodes_test.a65c
+++ b/65C02_extended_opcodes_test.a65c
@@ -1867,7 +1867,7 @@ tbt2
         trap_ne     ;sp push/pop mismatch
         next_test    
 
-    if rkwl_wdc_op
+    if rkwl_wdc_op = 1
 ; testing RMB, SMB - zp
 rmbt    macro       ;\1 = bitnum
         lda #$ff
@@ -2751,4 +2751,4 @@ ji_px   nop             ;low address byte matched with ji_ret
     endif
 
         end start
-            
\ No newline at end of file
+