diff --git a/targets/Makefile.common b/targets/Makefile.common
index 79b3a1a4586a7fb7ad8d3ec433ce6faf448569de..662fc61c2280b740a3def81cade59073f6ae6e1a 100644
--- a/targets/Makefile.common
+++ b/targets/Makefile.common
@@ -23,11 +23,11 @@ $(ITTI_MESSAGES_H): $(ITTI_MESSAGES_XML)
 	@sed -e 's/[ ]*//' -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n"/' $< > $@
 
 ifdef USE_MME
-CFLAGS			+= -DENB_MODE -DENABLE_USE_MME -DENABLE_EVENT_FD -I$(S1AP_DIR) -I$(SCTP_DIR)
-S1AP_CFLAGS	 	 = $(CFLAGS) -I$(TOP_DIR) $(L2_incl) $(UTIL_incl) $(UTILS_incl)
+CFLAGS				+= -DENB_MODE -DENABLE_USE_MME -DENABLE_EVENT_FD -I$(S1AP_DIR) -I$(SCTP_DIR)
+S1AP_CFLAGS	 		 = $(CFLAGS) -I$(TOP_DIR) $(L2_incl) $(UTIL_incl) $(UTILS_incl)
 
-LIBS			+= $(S1AP_OBJ_DIR)/libs1ap.a $(SCTP_OBJ_DIR)/libsctp.a -lsctp -lcrypt
-SHARED_DEPENDENCIES	+= $(S1AP_OBJ_DIR)/libs1ap.a $(SCTP_OBJ_DIR)/libsctp.a
+LIBS				+= $(S1AP_OBJ_DIR)/libs1ap.a $(SCTP_OBJ_DIR)/libsctp.a -lsctp -lcrypt
+SHARED_DEPENDENCIES	 = $(S1AP_OBJ_DIR)/libs1ap.a $(SCTP_OBJ_DIR)/libsctp.a
 export S1AP_CFLAGS
 
 ENABLE_ITTI = 1
@@ -43,7 +43,7 @@ OBJ = $(NAS_UE_OBJS)
 endif
 
 ifdef ENABLE_ITTI
-SHARED_DEPENDENCIES = $(ITTI_MESSAGES_H)
+SHARED_DEPENDENCIES += $(ITTI_MESSAGES_H)
 
 CFLAGS += $(TARGETS_COMMON_incl)