diff --git a/libctru/source/svc.s b/libctru/source/svc.s
index b1e4bf8..63b8c28 100644
--- a/libctru/source/svc.s
+++ b/libctru/source/svc.s
@@ -510,7 +510,7 @@ SVC_BEGIN svcGetDmaState
 	str r0, [sp, #-4]!
 	svc 0x57
 	ldr r3, [sp], #4
-	str r1, [r3]
+	strb r1, [r3]
 	bx  lr
 SVC_END