diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index 857aeed55..db4db33ac 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -21,6 +21,10 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #define _GNU_SOURCE
 
 #include <errno.h>