diff --git a/verilog/dv/wb_port/Makefile b/verilog/dv/wb_port/Makefile
index 78d4799..7b31a5b 100644
--- a/verilog/dv/wb_port/Makefile
+++ b/verilog/dv/wb_port/Makefile
@@ -19,13 +19,11 @@
 CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel
 CARAVEL_VERILOG_PATH  = $(CARAVEL_PATH)/verilog
 CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl
-CARAVEL_GL_PATH = $(CARAVEL_VERILOG_PATH)/gl
 CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel
 
 ## User Project Pointers
 UPRJ_VERILOG_PATH ?= ../../../verilog
 UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl
-UPRJ_GL_PATH = $(UPRJ_VERILOG_PATH)/gl
 UPRJ_BEHAVIOURAL_MODELS = ../
 
 ## RISCV GCC 
@@ -51,9 +49,9 @@
 	-I $(UPRJ_BEHAVIOURAL_MODELS)    -I $(UPRJ_RTL_PATH) \
 	$< -o $@ 
 else  
-	iverilog -DFUNCTIONAL -DSIM -DGL-I $(PDK_PATH) \
-	-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_GL_PATH) \
-	-I $(UPRJ_BEHAVIOURAL_MODELS)    -I $(UPRJ_GL_PATH) \
+	iverilog -DFUNCTIONAL -DSIM -DGL -I $(PDK_PATH) \
+	-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \
+	-I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH)   -I $(UPRJ_VERILOG_PATH) \
 	$< -o $@ 
 endif