diff --git a/emulator/Makefrag-emulator b/emulator/Makefrag-emulator
index cab1613c..642b58c6 100644
--- a/emulator/Makefrag-emulator
+++ b/emulator/Makefrag-emulator
@@ -27,10 +27,10 @@ $(addsuffix .o,$(CXXSRCS)): %.o: $(base_dir)/csrc/%.cc $(base_dir)/csrc/*.h $(mo
 $(addsuffix .debug.o,$(CXXSRCS)): %.debug.o: $(base_dir)/csrc/%.cc $(base_dir)/csrc/*.h $(model_header_debug) $(consts_header_debug)
 	$(CXX) $(CXXFLAGS) -include $(scr_header_debug) -include $(model_header_debug) -include $(consts_header_debug) -I$(generated_dir_debug) -c -o $@ $<
 
-$(generated_dir)/$(MODEL).$(CONFIG).d $(model_header) $(params_file): $(chisel_srcs)
+$(generated_dir)/%.$(CONFIG).d $(generated_dir)/%.$(CONFIG).h $(generated_dir)/%.$(CONFIG).prm: $(chisel_srcs)
 	cd $(base_dir) && $(SBT) "project $(PROJECT)" "run $(CHISEL_ARGS) --noIoDebug"
 
-$(model_header_debug) $(params_file_debug): $(chisel_srcs)
+$(generated_dir_debug)/%.$(CONFIG).d $(generated_dir_debug)/%.$(CONFIG).h $(generated_dir_debug)/%.$(CONFIG).prm: $(chisel_srcs)
 	cd $(base_dir) && $(SBT) "project $(PROJECT)" "run $(CHISEL_ARGS)-debug  --debug --vcd --ioDebug"
 
 $(emu): $(model_header) $(OBJS) libdramsim.a
diff --git a/emulator/Makefrag-verilator b/emulator/Makefrag-verilator
index ff61405b..b0489c59 100644
--- a/emulator/Makefrag-verilator
+++ b/emulator/Makefrag-verilator
@@ -19,7 +19,7 @@ $(generated_dir)/%.$(CONFIG).fir $(generated_dir)/%.$(CONFIG).prm $(generated_di
 	cd $(base_dir) && $(SBT) "run $(PROJECT) $(MODEL) $(CONFIG) --targetDir $(generated_dir)"
 	mv $(generated_dir)/$(MODEL).fir $(generated_dir)/$(MODEL).$(CONFIG).fir
 
-$(generated_dir_debug)/%.$(MODEL).$(CONFIG).fir $(generated_dir_debug)/%.$(CONFIG).prm $(generated_dir_debug)/%.$(CONFIG).d: $(chisel_srcs)
+$(generated_dir_debug)/%.$(CONFIG).fir $(generated_dir_debug)/%.$(CONFIG).prm $(generated_dir_debug)/%.$(CONFIG).d: $(chisel_srcs)
 	mkdir -p $(dir $@)
 	cd $(base_dir) && $(SBT) "run $(PROJECT) $(MODEL) $(CONFIG) --targetDir $(generated_dir_debug)"
 	mv $(generated_dir_debug)/$(MODEL).fir $(generated_dir_debug)/$(MODEL).$(CONFIG).fir