diff --git a/src/system/proc_tools.h b/src/system/proc_tools.h
index 0e528840e..95c9d12a0 100644
--- a/src/system/proc_tools.h
+++ b/src/system/proc_tools.h
@@ -19,7 +19,7 @@ int proc_put(const char *path, long long value);
 int proc_put(const char *path, unsigned long long value);
 int proc_put(const char *path, bool state);
 int proc_put_hex(const char *path, int value);
-int proc_put_het(const char *path, unsigned int value);
+int proc_put_hex(const char *path, unsigned int value);
 
 int proc_get(const char *path, char *value, const int len);
 unsigned int proc_get_hex(const char *path);