diff --git a/src/gallium/drivers/iris/iris_bufmgr.h b/src/gallium/drivers/iris/iris_bufmgr.h
index 808b1cd5e7b..58803e1b72c 100644
--- a/src/gallium/drivers/iris/iris_bufmgr.h
+++ b/src/gallium/drivers/iris/iris_bufmgr.h
@@ -304,6 +304,7 @@ struct iris_bo {
 #define BO_ALLOC_NO_SUBALLOC (1<<4)
 #define BO_ALLOC_LMEM        (1<<5)
 #define BO_ALLOC_PROTECTED   (1<<6)
+#define BO_ALLOC_SHARED      (1<<7)
 
 /**
  * Allocate a buffer object.
diff --git a/src/gallium/drivers/iris/iris_resource.c b/src/gallium/drivers/iris/iris_resource.c
index 69a4bdacc15..8753c505a40 100644
--- a/src/gallium/drivers/iris/iris_resource.c
+++ b/src/gallium/drivers/iris/iris_resource.c
@@ -487,6 +487,9 @@ iris_resource_alloc_flags(const struct iris_screen *screen,
    if (templ->bind & PIPE_BIND_PROTECTED)
       flags |= BO_ALLOC_PROTECTED;
 
+   if (templ->bind & PIPE_BIND_SHARED)
+      flags |= BO_ALLOC_SHARED;
+
    return flags;
 }