diff --git a/openair2/LAYER2/PDCP_v10.1.0/pdcp.c b/openair2/LAYER2/PDCP_v10.1.0/pdcp.c
index 39b7dc2e31..b98e811e9d 100755
--- a/openair2/LAYER2/PDCP_v10.1.0/pdcp.c
+++ b/openair2/LAYER2/PDCP_v10.1.0/pdcp.c
@@ -63,6 +63,7 @@
 
 #if defined(LINK_PDCP_TO_GTPV1U)
 #  include "gtpv1u_eNB_task.h"
+#  include "gtpv1u.h"
 #endif
 
 #ifndef OAI_EMU