diff --git a/test/context.h b/test/context.h
index 4f09edc..2267f80 100644
--- a/test/context.h
+++ b/test/context.h
@@ -1,3 +1,5 @@
+#pragma once
+
 
 #ifdef USE_CBOR_CONTEXT
 
diff --git a/test/test.h b/test/test.h
index 6617c06..8c187af 100644
--- a/test/test.h
+++ b/test/test.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #ifndef _countof
 
 #define _countof(x) (sizeof(x)/sizeof(x[0]))