diff --git a/src/futils.cpp b/src/futils.cpp
index 87f0f93d..4117b345 100644
--- a/src/futils.cpp
+++ b/src/futils.cpp
@@ -39,7 +39,7 @@ namespace fs = std::experimental::filesystem;
 #endif
 
 #if __has_include(<mach-o/dyld.h>)
-#include <mach-o/dyld.h>
+#include <mach-o/dyld.h>  // for _NSGetExecutablePath()
 #endif
 
 #if defined(__FreeBSD__)