diff --git a/utils/util.h b/utils/util.h
index a62487c..30b2041 100644
--- a/utils/util.h
+++ b/utils/util.h
@@ -12,7 +12,9 @@ extern "C" {
 #endif
 
 #include <stddef.h>
-#include "hosp.h"
+#include <hosp.h>
+
+#pragma GCC visibility push(hidden)
 
 // Time wait between writing a command the reading the response
 #define HOSP_WRITE_READ_DELAY_MS 1
@@ -28,6 +30,8 @@ int hosp_util_get_status(hosp_device* hosp, int* is_on, int* is_started);
 
 int hosp_util_get_data(hosp_device* hosp, unsigned int* mv, unsigned int* ma, unsigned int* mw, unsigned int* mWh);
 
+#pragma GCC visibility pop
+
 #ifdef __cplusplus
 }
 #endif