diff --git a/benchmarks/Java_Clojure_Set_Big_Integer/Makefile b/benchmarks/Java_Clojure_Set_Big_Integer/Makefile
index ea8cba718df6a979da05582798740273092575ab..5633a51e18db7d21f6ccc957cd039150f98000b8 100755
--- a/benchmarks/Java_Clojure_Set_Big_Integer/Makefile
+++ b/benchmarks/Java_Clojure_Set_Big_Integer/Makefile
@@ -5,7 +5,7 @@
 all: build CAN_BUS_tlc_exec Cruise_finite1_deterministic_exec LiftExec scheduler_deterministic_exec Sieve TrafficLightExec Train_1_beebook_deterministic_exec sort_m2_data1000_exec
 
 build:
-	cd ../../btypes_big_integer ; ./gradlew -q fatJar ; cp build/libs/btypes_big_integer-all.jar ../benchmarks/Java_Clojure_Set_Big_Integer/btypes.jar ; cd ../benchmarks/Java_Clojure_Big_Integer
+	cd ../../btypes_big_integer ; ./gradlew -q fatJar ; cp build/libs/btypes_big_integer-all.jar ../benchmarks/Java_Clojure_Set_Big_Integer/btypes.jar ; cd ../benchmarks/Java_Clojure_Set_Big_Integer
 
 OUTPUT ?= runtimes.txt
 DEPENDENCIES ?= :btypes.jar
diff --git a/benchmarks/Java_Clojure_Set_Primitives/Makefile b/benchmarks/Java_Clojure_Set_Primitives/Makefile
index b8d00e9edc5bba4c764e02de62ba1d0b2a618c81..4c6c1306caddb51b508135967f340e78da1f0f61 100755
--- a/benchmarks/Java_Clojure_Set_Primitives/Makefile
+++ b/benchmarks/Java_Clojure_Set_Primitives/Makefile
@@ -14,7 +14,7 @@ DEPENDENCIES ?= :btypes.jar
 	javac -cp .$(DEPENDENCIES) $<
 
 % : %.class
-	gtime -f "%C %E %M" -ao $(OUTPUT) java -cp .$(DEPENDENCIES) $@
+	/usr/bin/time -f "%C %E %M" -ao $(OUTPUT) java -cp .$(DEPENDENCIES) $@
 
 clean:
 	rm *.class & rm *.jar
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