diff --git a/src/gallium/winsys/sw/kms-dri/kms_dri_sw_winsys.c b/src/gallium/winsys/sw/kms-dri/kms_dri_sw_winsys.c
index 9564d9424b1..6401f55bbd3 100644
--- a/src/gallium/winsys/sw/kms-dri/kms_dri_sw_winsys.c
+++ b/src/gallium/winsys/sw/kms-dri/kms_dri_sw_winsys.c
@@ -43,6 +43,7 @@
 
 #include "pipe/p_compiler.h"
 #include "pipe/p_format.h"
+#include "pipe/p_state.h"
 #include "util/u_inlines.h"
 #include "util/u_format.h"
 #include "util/u_math.h"