diff --git a/src/Filelists.mk b/src/Filelists.mk
index 7d9f108b..7276f484 100644
--- a/src/Filelists.mk
+++ b/src/Filelists.mk
@@ -71,7 +71,7 @@ CORE6FILES=$(LWIPDIR)/core/ipv6/dhcp6.c \
 APIFILES=$(LWIPDIR)/api/api_lib.c \
 	$(LWIPDIR)/api/api_msg.c \
 	$(LWIPDIR)/api/err.c \
-	$(LWIPDIR)/api/if.c \
+	$(LWIPDIR)/api/if_api.c \
 	$(LWIPDIR)/api/netbuf.c \
 	$(LWIPDIR)/api/netdb.c \
 	$(LWIPDIR)/api/netifapi.c \
diff --git a/src/api/if.c b/src/api/if_api.c
similarity index 100%
rename from src/api/if.c
rename to src/api/if_api.c