diff --git a/common.mk b/common.mk
index d0526444..76705a7f 100644
--- a/common.mk
+++ b/common.mk
@@ -18,7 +18,7 @@ HELP_COMPILATION_VARIABLES += \
 "   EXTRA_SIM_REQS            = additional make requirements to build the simulator" \
 "   ENABLE_SBT_THIN_CLIENT    = if set, use sbt's experimental thin client (works best when overridding SBT_BIN with the mainline sbt script)" \
 "   ENABLE_CUSTOM_FIRRTL_PASS = if set, enable custom firrtl passes (SFC lowers to LowFIRRTL & MFC converts to Verilog)" \
-"   ENABLE_YOSYS_FLOW         = if set, add compilation flags to enable the vlsi flow for yosys(tutorial flow) \
+"   ENABLE_YOSYS_FLOW         = if set, add compilation flags to enable the vlsi flow for yosys(tutorial flow)" \
 "   EXTRA_CHISEL_OPTIONS      = additional options to pass to the Chisel compiler" \
 "   EXTRA_FIRRTL_OPTIONS      = additional options to pass to the FIRRTL compiler"
 
@@ -104,14 +104,14 @@ $(BOOTROM_TARGETS): $(build_dir)/bootrom.%.img: $(TESTCHIP_RSRCS_DIR)/testchipip
 # create firrtl file rule and variables
 #########################################################################################
 # AG: must re-elaborate if cva6 sources have changed... otherwise just run firrtl compile
-$(FIRRTL_FILE) $(ANNO_FILE) &: $(SCALA_SOURCES) $(SCALA_BUILDTOOL_DEPS) $(EXTRA_GENERATOR_REQS)
+$(FIRRTL_FILE) $(ANNO_FILE) $(CHISEL_LOG_FILE) &: $(SCALA_SOURCES) $(SCALA_BUILDTOOL_DEPS) $(EXTRA_GENERATOR_REQS)
 	mkdir -p $(build_dir)
 	$(call run_scala_main,$(SBT_PROJECT),$(GENERATOR_PACKAGE).Generator,\
 		--target-dir $(build_dir) \
 		--name $(long_name) \
 		--top-module $(MODEL_PACKAGE).$(MODEL) \
 		--legacy-configs $(CONFIG_PACKAGE):$(CONFIG) \
-		$(EXTRA_CHISEL_OPTIONS))
+		$(EXTRA_CHISEL_OPTIONS)) | tee $(CHISEL_LOG_FILE)
 
 define mfc_extra_anno_contents
 [
diff --git a/variables.mk b/variables.mk
index 28727a26..a38d8c85 100644
--- a/variables.mk
+++ b/variables.mk
@@ -147,6 +147,7 @@ endif
 FIRRTL_FILE ?= $(build_dir)/$(long_name).fir
 ANNO_FILE   ?= $(build_dir)/$(long_name).anno.json
 EXTRA_ANNO_FILE ?= $(build_dir)/$(long_name).extra.anno.json
+CHISEL_LOG_FILE ?= $(build_dir)/$(long_name).chisel.log
 
 # chisel anno modification output
 MFC_EXTRA_ANNO_FILE ?= $(build_dir)/$(long_name).extrafirtool.anno.json