diff --git a/fpga/Makefile b/fpga/Makefile
index 037b2fb9a6..79bdb338b8 100644
--- a/fpga/Makefile
+++ b/fpga/Makefile
@@ -90,11 +90,14 @@ fpga_common_script_dir := $(fpga_dir)/common/tcl
 #########################################################################################
 # setup misc. sim files
 #########################################################################################
+SIM_FILE_REQS += \
+	$(ROCKETCHIP_RSRCS_DIR)/vsrc/EICG_wrapper.v
+
 # copy files but ignore *.h files in *.f (match vcs)
-$(sim_files): $(SIM_FILE_REQS) | $(GEN_COLLATERAL_DIR)
-	cp -f $^ $(GEN_COLLATERAL_DIR)
+$(sim_files): $(SIM_FILE_REQS) $(ALL_MODS_FILELIST) | $(GEN_COLLATERAL_DIR)
+	cp -f $(SIM_FILE_REQS) $(GEN_COLLATERAL_DIR)
 	$(foreach file,\
-		$^,\
+		$(SIM_FILE_REQS),\
 		$(if $(filter %.h,$(file)),\
 			,\
 			echo "$(addprefix $(GEN_COLLATERAL_DIR)/, $(notdir $(file)))" >> $@;))