diff --git a/lib/service/rpmsg/rpc/rpmsg_rpc_client.c b/lib/service/rpmsg/rpc/rpmsg_rpc_client.c
index cb72f2e2c..78ba8182f 100644
--- a/lib/service/rpmsg/rpc/rpmsg_rpc_client.c
+++ b/lib/service/rpmsg/rpc/rpmsg_rpc_client.c
@@ -6,6 +6,7 @@
  */
 
 #include <openamp/rpmsg_rpc_client_server.h>
+#include <errno.h>
 
 static int rpmsg_endpoint_client_cb(struct rpmsg_endpoint *, void *, size_t,
 				    uint32_t, void *);
diff --git a/lib/service/rpmsg/rpc/rpmsg_rpc_server.c b/lib/service/rpmsg/rpc/rpmsg_rpc_server.c
index 33a51c10d..439f1ab9d 100644
--- a/lib/service/rpmsg/rpc/rpmsg_rpc_server.c
+++ b/lib/service/rpmsg/rpc/rpmsg_rpc_server.c
@@ -6,6 +6,7 @@
  */
 
 #include <openamp/rpmsg_rpc_client_server.h>
+#include <errno.h>
 
 #define LPERROR(format, ...) metal_log(METAL_LOG_ERROR, format, ##__VA_ARGS__)