diff --git a/src/gos/gos_keil.c b/src/gos/gos_keil.c
index 6e491300..d29e8f83 100644
--- a/src/gos/gos_keil.c
+++ b/src/gos/gos_keil.c
@@ -75,6 +75,8 @@ gfxThreadHandle gfxThreadCreate(void* stackarea, size_t stacksz, threadpriority_
 	def.instances = 1;
 	def.stacksize = stacksz;
 
+	(void)stackarea;
+
 	return osThreadCreate(&def, param);
 }