diff --git a/legacy/ethumb/src/lib/client/Ethumb_Client.h b/legacy/ethumb/src/lib/client/Ethumb_Client.h
index 1142c190f5..c90f6cc786 100644
--- a/legacy/ethumb/src/lib/client/Ethumb_Client.h
+++ b/legacy/ethumb/src/lib/client/Ethumb_Client.h
@@ -31,7 +31,7 @@
 #endif /* ! _WIN32 */
 #endif /* EAPI */
 
-#include "Ethumb.h"
+#include <Ethumb.h>
 
 #ifdef __cplusplus
 extern "C" {