diff --git a/common/utils/Makefile.inc b/common/utils/Makefile.inc
index 30d40b6efd8191b4dd694894173345746b360b98..8578e5fc02618fa6721050c56b1fe3770f195a7d 100644
--- a/common/utils/Makefile.inc
+++ b/common/utils/Makefile.inc
@@ -47,7 +47,7 @@ HASHTABLE_DIR = $(COMMON_UTILS_DIR)/collection/hashtable
 HASHTABLE_OBJS =  $(HASHTABLE_DIR)/hashtable.o
 HASHTABLE_OBJS += $(HASHTABLE_DIR)/obj_hashtable.o
 
-UTILS_OBJS = $(ITTI_OBJS) $(HASHTABLE_OBJS)  $(COMMON_UTILS_DIR)/backtrace.o
+UTILS_OBJS = $(ITTI_OBJS) $(HASHTABLE_OBJS)  
 
 UTILS_incl = 				\
     -I$(COMMON_UTILS_DIR)   \
diff --git a/openair1/SIMULATION/LTE_PHY/Makefile b/openair1/SIMULATION/LTE_PHY/Makefile
index 09b6cc66cdaa2b29d37286dbbdfa4355a54eff70..713bfba3706fc0b3d086f6df1ae7bc61fd2db489 100644
--- a/openair1/SIMULATION/LTE_PHY/Makefile
+++ b/openair1/SIMULATION/LTE_PHY/Makefile
@@ -110,7 +110,7 @@ CFLAGS += $(L2_incl) -I$(ASN1_MSG_INC) -I$(TOP_DIR) -I$(OPENAIR2_DIR) -I$(OPENAI
 #LAYER2_OBJ += $(OPENAIR2_DIR)/LAYER2/MAC/rar_tools.o
 #LAYER2_OBJ = $(OPENAIR2_DIR)/LAYER2/MAC/lte_transport_init.o
 
-OBJ = $(PHY_OBJS) $(SIMULATION_OBJS) $(TOOLS_OBJS) $(SCHED_OBJS) $(LAYER2_OBJ) $(LOG_OBJS) 
+OBJ = $(PHY_OBJS) $(SIMULATION_OBJS) $(TOOLS_OBJS) $(SCHED_OBJS) $(LAYER2_OBJ) $(LOG_OBJS) $(ITTI_DIR)/backtrace.o
 ifdef GPIB
 OBJ += LTE_Configuration.o
 endif