diff --git a/clients/simple-shm.c b/clients/simple-shm.c
index 98102ebfc..055744328 100644
--- a/clients/simple-shm.c
+++ b/clients/simple-shm.c
@@ -21,6 +21,8 @@
  * OF THIS SOFTWARE.
  */
 
+#include <config.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/clients/simple-touch.c b/clients/simple-touch.c
index 9e4c60ab8..865b18d93 100644
--- a/clients/simple-touch.c
+++ b/clients/simple-touch.c
@@ -21,6 +21,8 @@
  * OF THIS SOFTWARE.
  */
 
+#include <config.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/clients/weston-simple-im.c b/clients/weston-simple-im.c
index 56e30a71d..ded6a04de 100644
--- a/clients/weston-simple-im.c
+++ b/clients/weston-simple-im.c
@@ -20,6 +20,8 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <config.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/src/xwayland/hash.c b/src/xwayland/hash.c
index d84188320..54f3de93a 100644
--- a/src/xwayland/hash.c
+++ b/src/xwayland/hash.c
@@ -32,6 +32,8 @@
  *    Keith Packard <keithp@keithp.com>
  */
 
+#include <config.h>
+
 #include <stdlib.h>
 #include <stdint.h>
 
diff --git a/tests/weston-test-client-helper.c b/tests/weston-test-client-helper.c
index 264dc0d54..0350da5d4 100644
--- a/tests/weston-test-client-helper.c
+++ b/tests/weston-test-client-helper.c
@@ -20,6 +20,8 @@
  * OF THIS SOFTWARE.
  */
 
+#include <config.h>
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/wcap/main.c b/wcap/main.c
index 1b14ce06b..1e4605ae1 100644
--- a/wcap/main.c
+++ b/wcap/main.c
@@ -20,6 +20,8 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <config.h>
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
diff --git a/wcap/wcap-decode.c b/wcap/wcap-decode.c
index 2b9304dd0..87d933791 100644
--- a/wcap/wcap-decode.c
+++ b/wcap/wcap-decode.c
@@ -20,6 +20,8 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <config.h>
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>