diff --git a/board/v37/v37.c b/board/v37/v37.c
index 3b786ef..1ef879d 100644
--- a/board/v37/v37.c
+++ b/board/v37/v37.c
@@ -140,7 +140,7 @@
     memctl->memc_br3 = CFG_BR3_CAN;
 
     /* Initialize MBMR */
-    memctl->memc_mamr = MAMR_GPL_B4DIS;	/* GPL_B4 ouput line Disable */
+    memctl->memc_mamr = MAMR_GPL_A4DIS;	/* GPL_A4 ouput line Disable */
 
     /* Initialize UPMB for CAN: single read */
     memctl->memc_mdr = 0xFFFFC004;