diff --git a/gpio/inc/gpio.hpp b/gpio/inc/gpio.hpp
index 0c29381..876b5ce 100644
--- a/gpio/inc/gpio.hpp
+++ b/gpio/inc/gpio.hpp
@@ -15,5 +15,8 @@
 */
 
 #pragma once
-int configGpio(const char *gpioName, int *fd, sdbusplus::bus::bus &bus);
-int closeGpio(int fd);
\ No newline at end of file
+
+#include <sdbusplus/bus.hpp>
+
+int configGpio(const char* gpioName, int* fd, sdbusplus::bus::bus& bus);
+int closeGpio(int fd);