diff --git a/sys/arm64/arm64/gic_v3_reg.h b/sys/arm64/arm64/gic_v3_reg.h
--- a/sys/arm64/arm64/gic_v3_reg.h
+++ b/sys/arm64/arm64/gic_v3_reg.h
@@ -351,6 +351,9 @@
 
 #define		GITS_BASER_VALID	(1UL << 63)
 
+#define		GITS_BASER_INDIRECT_SHIFT 62
+#define		GITS_BASER_INDIRECT	(1UL << GITS_BASER_INDIRECT_SHIFT)
+
 #define		GITS_BASER_TYPE_SHIFT	56
 #define		GITS_BASER_TYPE(x)	\
 		    (((x) & GITS_BASER_TYPE_MASK) >> GITS_BASER_TYPE_SHIFT)
diff --git a/sys/arm64/arm64/gicv3_its.c b/sys/arm64/arm64/gicv3_its.c
--- a/sys/arm64/arm64/gicv3_its.c
+++ b/sys/arm64/arm64/gicv3_its.c
@@ -501,7 +501,7 @@
 			nitspages = howmany(its_tbl_size, page_size);
 
 			/* Clear the fields we will be setting */
-			reg &= ~(GITS_BASER_VALID |
+			reg &= ~(GITS_BASER_VALID | GITS_BASER_INDIRECT |
 			    GITS_BASER_CACHE_MASK | GITS_BASER_TYPE_MASK |
 			    GITS_BASER_ESIZE_MASK | GITS_BASER_PA_MASK |
 			    GITS_BASER_SHARE_MASK | GITS_BASER_PSZ_MASK |