4 files changed, 9 insertions, 0 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index fa037b59d7..a7a860ba72 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -7,6 +7,8 @@
 
 #include <math.h>
 
+#include "auto/config.h"
+
 #ifdef HAVE_LOCALE_H
 # include <locale.h>
 #endif
diff --git a/src/nvim/os/lang.c b/src/nvim/os/lang.c
index 603191a0ff..b63faacaae 100644
--- a/src/nvim/os/lang.c
+++ b/src/nvim/os/lang.c
@@ -8,9 +8,12 @@
 # undef Boolean
 #endif
 
+#include "auto/config.h"
+
 #ifdef HAVE_LOCALE_H
 # include <locale.h>
 #endif
+
 #include "nvim/os/lang.h"
 #include "nvim/os/os.h"
 
diff --git a/src/nvim/os/users.c b/src/nvim/os/users.c
index 9374693550..16e17a9c60 100644
--- a/src/nvim/os/users.c
+++ b/src/nvim/os/users.c
@@ -5,6 +5,8 @@
 
 #include <uv.h>
 
+#include "auto/config.h"
+
 #include "nvim/ascii.h"
 #include "nvim/os/os.h"
 #include "nvim/garray.h"
diff --git a/src/nvim/undo.c b/src/nvim/undo.c
index 636d00bbbf..da464c56dc 100644
--- a/src/nvim/undo.c
+++ b/src/nvim/undo.c
@@ -82,6 +82,8 @@
 #include <string.h>
 #include <fcntl.h>
 
+#include "auto/config.h"
+
 #include "nvim/buffer.h"
 #include "nvim/ascii.h"
 #include "nvim/change.h"