diff --git a/drivers/gpu/nvgpu/hal/gr/falcon/gr_falcon_gm20b_fusa.c b/drivers/gpu/nvgpu/hal/gr/falcon/gr_falcon_gm20b_fusa.c
index 884bcc3e4..c2967e1d7 100644
--- a/drivers/gpu/nvgpu/hal/gr/falcon/gr_falcon_gm20b_fusa.c
+++ b/drivers/gpu/nvgpu/hal/gr/falcon/gr_falcon_gm20b_fusa.c
@@ -46,7 +46,7 @@
 #ifdef CONFIG_NVGPU_CTXSW_FW_ERROR_WDT_TESTING
 #define CTXSW_WDT_DEFAULT_VALUE 0x1U
 #else
-#define CTXSW_WDT_DEFAULT_VALUE 0x7FFFFFFFU
+#define CTXSW_WDT_DEFAULT_VALUE 0x3FFFFFFFU
 #endif
 #define CTXSW_INTR0 BIT32(0)
 #define CTXSW_INTR1 BIT32(1)