diff --git a/xmrstak/backend/amd/amd_gpu/gpu.hpp b/xmrstak/backend/amd/amd_gpu/gpu.hpp
index 123de01..abbd08d 100644
--- a/xmrstak/backend/amd/amd_gpu/gpu.hpp
+++ b/xmrstak/backend/amd/amd_gpu/gpu.hpp
@@ -9,6 +9,7 @@
 #endif
 
 #include <stdint.h>
+#include <string>
 #include <vector>
 
 #define ERR_SUCCESS (0)