diff --git a/regression/Makefile b/regression/Makefile
index 8bdda86d..12526c97 100644
--- a/regression/Makefile
+++ b/regression/Makefile
@@ -109,12 +109,12 @@ stamps/$(CONFIG)/%-debug.stamp: stamps/other-submodules.stamp $(RISCV)/install.s
 # Runs tests on one of the simulators
 stamps/$(CONFIG)/%-asm-tests.stamp: stamps/$(CONFIG)/%-ndebug.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/$(patsubst stamps/$(CONFIG)/%-asm-tests.stamp,%,$@) CONFIG=$(CONFIG) RISCV=$(abspath $(RISCV)) CHISEL_VERSION=$(CHISEL_VERSION) run-asm-tests
+	$(MAKE) -C $(abspath $(TOP))/$(patsubst stamps/$(CONFIG)/%-asm-tests.stamp,%,$@) CONFIG=$(CONFIG) RISCV=$(abspath $(RISCV)) CHISEL_VERSION=$(CHISEL_VERSION) run-asm-tests-fast
 	date > $@
 
 stamps/$(CONFIG)/%-bmark-tests.stamp: stamps/$(CONFIG)/%-ndebug.stamp
 	mkdir -p $(dir $@)
-	$(MAKE) -C $(abspath $(TOP))/$(patsubst stamps/$(CONFIG)/%-bmark-tests.stamp,%,$@) CONFIG=$(CONFIG) RISCV=$(abspath $(RISCV)) CHISEL_VERSION=$(CHISEL_VERSION) run-bmark-tests
+	$(MAKE) -C $(abspath $(TOP))/$(patsubst stamps/$(CONFIG)/%-bmark-tests.stamp,%,$@) CONFIG=$(CONFIG) RISCV=$(abspath $(RISCV)) CHISEL_VERSION=$(CHISEL_VERSION) run-bmark-tests-fast
 	date > $@
 
 # The torture tests run subtly differently on the different targets, so they