diff --git a/openair2/X2AP/Makefile.inc b/openair2/X2AP/Makefile.inc
index a5831be707..03133ccdd5 100755
--- a/openair2/X2AP/Makefile.inc
+++ b/openair2/X2AP/Makefile.inc
@@ -74,8 +74,8 @@ $(OUTDIR)/x2ap_ieregen.stamp: $(ASN1DIR)/$(ASN1RELDIR)/X2AP-PDU-Contents.asn $(A
 	@echo Timestamp > $@
 
 	
-$(OUTDIR)/x2ap_asn1regen.stamp: $(ASN1DIR)/$(ASN1RELDIR)/X2AP-CommonDataTypes.asn \
-	$(ASN1DIR)/$(ASN1RELDIR)/X2AP-Constants.asn $(ASN1DIR)/$(ASN1RELDIR)/X2AP-IEs.asn $(ASN1DIR)/$(ASN1RELDIR)/X2AP-PDU.asn
+$(OUTDIR)/x2ap_asn1regen.stamp:  $(ASN1DIR)/$(ASN1RELDIR)/X2AP-CommonDataTypes.asn $(ASN1DIR)/$(ASN1RELDIR)/X2AP-Constants.asn \
+	$(ASN1DIR)/$(ASN1RELDIR)/X2AP-IEs.asn $(ASN1DIR)/$(ASN1RELDIR)/X2AP-PDU.asn
 	(cd $(ASN1DIR)/$(ASN1RELDIR) && asn1c -fhave_native64 -gen-PER $^)
 	@echo Timestamp > $@