diff --git a/bind.c b/bind.c
index 51805f9..8313f1d 100644
--- a/bind.c
+++ b/bind.c
@@ -15,6 +15,7 @@
 #include "estruct.h"
 #include "edef.h"
 #include "efunc.h"
+#include "exec.h"
 #include "file.h"
 #include "fileio.h"
 #include "line.h"
diff --git a/ebind.h b/ebind.h
index 8bbc5ce..74570f0 100644
--- a/ebind.h
+++ b/ebind.h
@@ -9,6 +9,7 @@
 #define EBIND_H_
 
 #include "crypt.h"
+#include "exec.h"
 #include "file.h"
 #include "line.h"
 
diff --git a/efunc.h b/efunc.h
index 5e5fec8..acdb627 100644
--- a/efunc.h
+++ b/efunc.h
@@ -47,9 +47,6 @@
 /* buffer.c */
 #include "buffer.h"
 
-/* exec.c */
-#include "exec.h"
-
 /* spawn.c */
 #include "spawn.h"
 
diff --git a/eval.c b/eval.c
index 2e39c28..13e98a9 100644
--- a/eval.c
+++ b/eval.c
@@ -13,6 +13,7 @@
 #include "estruct.h"
 #include "edef.h"
 #include "efunc.h"
+#include "exec.h"
 #include "fileio.h"
 #include "line.h"
 #include "version.h"
diff --git a/input.c b/input.c
index cd1f88c..198a8f1 100644
--- a/input.c
+++ b/input.c
@@ -16,6 +16,7 @@
 #include "estruct.h"
 #include "edef.h"
 #include "efunc.h"
+#include "exec.h"
 #include "wrapper.h"
 
 #if	PKCODE
diff --git a/names.c b/names.c
index 0b6931b..f8b36ca 100644
--- a/names.c
+++ b/names.c
@@ -5,6 +5,7 @@
  * function.
 */
 
+#include "exec.h"
 #include "crypt.h"
 #include "estruct.h"
 #include "edef.h"