diff --git a/src/mainboard/google/brya/variants/pujjolo/overridetree.cb b/src/mainboard/google/brya/variants/pujjolo/overridetree.cb
index c6cce61c73..c9c551025a 100644
--- a/src/mainboard/google/brya/variants/pujjolo/overridetree.cb
+++ b/src/mainboard/google/brya/variants/pujjolo/overridetree.cb
@@ -20,6 +20,10 @@ fw_config
 		option WFC_ABSENT               0
 		option WFC_MIPI_OVTI8856        1
 	end
+	field ISH 29
+		option ISH_ABSENT	0
+		option ISH_PRESENT	1
+	end
 end
 chip soc/intel/alderlake
 
@@ -449,7 +453,9 @@ chip soc/intel/alderlake
 			chip drivers/intel/ish
 				register "add_acpi_dma_property" = "true"
 				register "firmware_name" = ""pujjolo_ish.bin""
-				device generic 0 on end
+				device generic 0 on
+					probe ISH ISH_PRESENT
+				end
 			end
 		end
 		device ref ufs on end