diff --git a/bee/nonstd/debugging.h b/bee/nonstd/debugging.h
index b18d8e1a..4bdeb089 100644
--- a/bee/nonstd/debugging.h
+++ b/bee/nonstd/debugging.h
@@ -29,7 +29,7 @@ namespace std {
 #    elif defined(__APPLE__)
         int mib[4];
         struct kinfo_proc info;
-        std::size_t size    = sizeof(info);
+        size_t size         = sizeof(info);
         info.kp_proc.p_flag = 0;
         mib[0]              = CTL_KERN;
         mib[1]              = KERN_PROC;