diff --git a/.gitignore b/.gitignore
index 83bcf3a24..950cbbedb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,6 @@ __pycache__
 *.bin
 *.elf
 *.fbi
-artiq/runtime/service_table.h
 doc/manual/_build
 /build
 /dist
diff --git a/artiq/runtime/Makefile b/artiq/runtime/Makefile
index cb3dd41e9..476d4ab3f 100644
--- a/artiq/runtime/Makefile
+++ b/artiq/runtime/Makefile
@@ -6,7 +6,7 @@ PYTHON ?= python3
 OBJECTS := isr.o flash_storage.o clock.o rtiocrg.o elf_loader.o services.o session.o log.o test_mode.o kloader.o bridge_ctl.o mailbox.o ksupport_data.o net_server.o moninj.o main.o
 OBJECTS_KSUPPORT := ksupport.o exception_jmp.o exceptions.o mailbox.o bridge.o rtio.o ttl.o dds.o
 
-CFLAGS += -I$(LIBLWIP_DIRECTORY)/../lwip/src/include -I$(LIBLWIP_DIRECTORY)
+CFLAGS += -I$(LIBLWIP_DIRECTORY)/../lwip/src/include -I$(LIBLWIP_DIRECTORY) -I.
 
 all: runtime.bin runtime.fbi
 
@@ -45,7 +45,10 @@ ksupport_data.o: ksupport.bin
 service_table.h: ksupport.elf $(RUNTIME_DIRECTORY)/gen_service_table.py
 	@echo " GEN     " $@ && $(PYTHON) $(RUNTIME_DIRECTORY)/gen_service_table.py ksupport.elf > $@
 
-services.c: service_table.h
+$(RUNTIME_DIRECTORY)/services.c: service_table.h
+
+services.o: $(RUNTIME_DIRECTORY)/services.c service_table.h
+	$(compile)
 
 main.o: $(RUNTIME_DIRECTORY)/main.c
 	$(compile)
diff --git a/artiq/runtime/services.c b/artiq/runtime/services.c
index 74bdeef71..39db8537b 100644
--- a/artiq/runtime/services.c
+++ b/artiq/runtime/services.c
@@ -8,7 +8,7 @@
 #include "exceptions.h"
 #include "services.h"
 
-#include "service_table.h"
+#include <service_table.h>
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wimplicit-int"