diff --git a/fuzzers/007-timing/bel/Makefile b/fuzzers/007-timing/bel/Makefile
index 07b2e9a6..eda5433d 100644
--- a/fuzzers/007-timing/bel/Makefile
+++ b/fuzzers/007-timing/bel/Makefile
@@ -6,7 +6,15 @@ clean:
 build/bel_timings.txt:
 	bash runme.sh
 
-build/bel_timings.json: build/bel_timings.txt
+build/fixup_timings: build/bel_timings.txt
+	python3 fixup_timings_txt.py --txtin build/bel_timings.txt --txtout build/bel_timings.txt --site RAMBFIFO36E1 --slice BRAM_L --type timings
+	python3 fixup_timings_txt.py --txtin build/bel_timings.txt --txtout build/bel_timings.txt --site RAMBFIFO36E1 --slice BRAM_R --type timings
+	python3 fixup_timings_txt.py --txtin build/bel_pins.txt --txtout build/bel_pins.txt --site RAMBFIFO36E1 --slice BRAM_L --type pins
+	python3 fixup_timings_txt.py --txtin build/bel_pins.txt --txtout build/bel_pins.txt --site RAMBFIFO36E1 --slice BRAM_R --type pins
+	python3 fixup_timings_txt.py --txtin build/bel_properties.txt --txtout build/bel_properties.txt --site RAMBFIFO36E1 --slice BRAM_L --type properties
+	python3 fixup_timings_txt.py --txtin build/bel_properties.txt --txtout build/bel_properties.txt --site RAMBFIFO36E1 --slice BRAM_R --type properties
+
+build/bel_timings.json: build/fixup_timings
 	python3 tim2json.py --timings=build/bel_timings.txt --json=build/bel_timings.json --properties=build/bel_properties.txt --propertiesmap=properties_map.json --pinaliasmap=pin_alias_map.json --belpins=build/bel_pins.txt --sitepins=build/tile_pins.txt --debug true
 
 build/sdf: build/bel_timings.json