diff --git a/src/system/libroot/os/stack_protector.cpp b/src/system/libroot/os/stack_protector.cpp
index 78dd546e89..21fdff5e9e 100644
--- a/src/system/libroot/os/stack_protector.cpp
+++ b/src/system/libroot/os/stack_protector.cpp
@@ -32,10 +32,11 @@ __init_stack_protector()
 	}
 
 	if (!done) {
-		((unsigned char *)(void *)__stack_chk_guard)[0] = 0;
-		((unsigned char *)(void *)__stack_chk_guard)[1] = 0;
-		((unsigned char *)(void *)__stack_chk_guard)[2] = '\n';
-		((unsigned char *)(void *)__stack_chk_guard)[3] = 0xff;
+		unsigned char* p = (unsigned char *)&__stack_chk_guard;
+		p[0] = 0;
+		p[1] = 0;
+		p[2] = '\n';
+		p[3] = 0xff;
 	}
 }