diff --git a/fuzzers/030-iob/Makefile b/fuzzers/030-iob/Makefile
index ab0a0168..a18dcbd6 100644
--- a/fuzzers/030-iob/Makefile
+++ b/fuzzers/030-iob/Makefile
@@ -13,7 +13,7 @@ build/segbits_xiob33.rdb: $(SPECIMENS_OK)
 
 build/segbits_xiob33.db: build/segbits_xiob33.rdb process_rdb.py bits.dbf
 	python3 process_rdb.py build/segbits_xiob33.rdb > build/segbits_xiob33_processed.rdb
-	python3 group.py -g tag_groups.txt -i build/segbits_xiob33_processed.rdb -o build/segbits_xiob33_processed.rdb2
+	python3 ${XRAY_DIR}/utils/group.py -g tag_groups.txt -i build/segbits_xiob33_processed.rdb -o build/segbits_xiob33_processed.rdb2
 	${XRAY_DBFIXUP} --db-root build --zero-db bits.dbf --seg-fn-in build/segbits_xiob33_processed.rdb2 --seg-fn-out $@
 	${XRAY_MASKMERGE} build/mask_xiob33.db $$(find -name segdata_liob33.txt) $$(find -name segdata_riob33.txt)
 
diff --git a/fuzzers/030-iob/group.py b/utils/group.py
similarity index 100%
rename from fuzzers/030-iob/group.py
rename to utils/group.py