diff --git a/acinclude.m4 b/acinclude.m4
index 1db65d663..e32c09bc9 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -51,6 +51,7 @@ int main() {
   ], [
     AC_TRY_RUN([
 #include <stdio.h>
+#include <sys/types.h>
 #ifdef HAVE_SYS_IOCCOM_H
 #include <sys/ioccom.h>
 #endif
diff --git a/configure b/configure
index 2b84e3535..8cfb48ea1 100755
--- a/configure
+++ b/configure
@@ -6293,6 +6293,7 @@ else
 /* end confdefs.h.  */
 
 #include <stdio.h>
+#include <sys/types.h>
 #ifdef HAVE_SYS_IOCCOM_H
 #include <sys/ioccom.h>
 #endif
diff --git a/ncat/configure b/ncat/configure
index 2a8c760f2..1b87c4fe1 100755
--- a/ncat/configure
+++ b/ncat/configure
@@ -4814,6 +4814,7 @@ else
 /* end confdefs.h.  */
 
 #include <stdio.h>
+#include <sys/types.h>
 #ifdef HAVE_SYS_IOCCOM_H
 #include <sys/ioccom.h>
 #endif
diff --git a/nping/configure b/nping/configure
index b9e21a446..3cf3763c0 100755
--- a/nping/configure
+++ b/nping/configure
@@ -5254,6 +5254,7 @@ else
 /* end confdefs.h.  */
 
 #include <stdio.h>
+#include <sys/types.h>
 #ifdef HAVE_SYS_IOCCOM_H
 #include <sys/ioccom.h>
 #endif