diff --git a/builtin-help.c b/builtin-help.c
index 10a59cc403..7470faa566 100644
--- a/builtin-help.c
+++ b/builtin-help.c
@@ -3,6 +3,7 @@
  *
  * Builtin help-related commands (help, usage, version)
  */
+#include <sys/ioctl.h>
 #include "cache.h"
 #include "builtin.h"
 #include "exec_cmd.h"
diff --git a/git.c b/git.c
index aa2b814d93..01b7e28b8c 100644
--- a/git.c
+++ b/git.c
@@ -8,7 +8,6 @@
 #include <errno.h>
 #include <limits.h>
 #include <stdarg.h>
-#include <sys/ioctl.h>
 #include "git-compat-util.h"
 #include "exec_cmd.h"