diff --git a/fuzzers/014-ffsrcemux/Makefile b/fuzzers/014-ffsrcemux/Makefile
index 32b7915d..cdd3cf23 100644
--- a/fuzzers/014-ffsrcemux/Makefile
+++ b/fuzzers/014-ffsrcemux/Makefile
@@ -3,13 +3,13 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
 SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
 
 database: $(SPECIMENS_OK)
-	../../build/tools/segmatch -o seg_clblx.segbits $(addsuffix /segdata_clbl[lm]_[lr].txt,$(SPECIMENS))
+	${XRAY_SEGMATCH} -o seg_clblx.segbits $(addsuffix /segdata_clbl[lm]_[lr].txt,$(SPECIMENS))
 
 pushdb:
-	bash ../../utils/mergedb.sh clbll_l seg_clblx.segbits
-	bash ../../utils/mergedb.sh clbll_r seg_clblx.segbits
-	bash ../../utils/mergedb.sh clblm_l seg_clblx.segbits
-	bash ../../utils/mergedb.sh clblm_r seg_clblx.segbits
+	${XRAY_MERGEDB} clbll_l seg_clblx.segbits
+	${XRAY_MERGEDB} clbll_r seg_clblx.segbits
+	${XRAY_MERGEDB} clblm_l seg_clblx.segbits
+	${XRAY_MERGEDB} clblm_r seg_clblx.segbits
 
 $(SPECIMENS_OK):
 	bash generate.sh $(subst /OK,,$@)