diff --git a/interface_lib/include/device3.h b/interface_lib/include/device3.h
index 23674be..ad4fb83 100644
--- a/interface_lib/include/device3.h
+++ b/interface_lib/include/device3.h
@@ -30,7 +30,7 @@
 #ifndef __cplusplus
 #include <stdint.h>
 #else
-#include <cstdint.h>
+#include <cstdint>
 #endif
 
 #ifdef __cplusplus
diff --git a/interface_lib/include/device4.h b/interface_lib/include/device4.h
index 3d583c5..623ca07 100644
--- a/interface_lib/include/device4.h
+++ b/interface_lib/include/device4.h
@@ -30,7 +30,7 @@
 #ifndef __cplusplus
 #include <stdint.h>
 #else
-#include <cstdint.h>
+#include <cstdint>
 #endif
 
 #define DEVICE4_ACTION_PASSIVE_POLL_START 	0b00010