diff --git a/sgx-jvm/jvm-enclave/Makefile b/sgx-jvm/jvm-enclave/Makefile
index 7376d319fc..07845e544e 100644
--- a/sgx-jvm/jvm-enclave/Makefile
+++ b/sgx-jvm/jvm-enclave/Makefile
@@ -1,5 +1,5 @@
 .PHONY: all
-all: standalone/build/standalone_sgx_verify jni/build/libuntrusted_corda_sgx.so
+all: standalone_sgx_verify libuntrusted_corda_sgx.so
 
 standalone/build:
 	mkdir -p standalone/build
@@ -7,14 +7,14 @@ standalone/build:
 standalone/build/Makefile: | standalone/build
 	cd standalone/build/ && cmake ..
 
-.PHONY: standalone/build/standalone_sgx_verify
-standalone/build/standalone_sgx_verify: standalone/build/Makefile ../../verify-enclave/build/libs/corda-enclavelet.jar
+.PHONY: standalone_sgx_verify
+standalone_sgx_verify: standalone/build/Makefile ../../verify-enclave/build/libs/corda-enclavelet.jar
 	$(MAKE) -C $(<D) VERBOSE=1
 
 jni/build:
 	mkdir -p jni/build
 
-jni/build/Makefile: | jni/build
+jni/build/Makefile: ../../verify-enclave/build/native/include/jni_sgx_api.h | jni/build
 	cd jni/build/ && cmake ..
 
 ../../verify-enclave/build/libs/corda-enclavelet.jar: $(shell find ../../*/src -name "*.kt")
@@ -23,8 +23,8 @@ jni/build/Makefile: | jni/build
 ../../verify-enclave/build/native/include/jni_sgx_api.h: ../../verify-enclave/src/main/kotlin/com/r3/enclaves/txverify/NativeSgxApi.kt
 	cd ../.. && ./gradlew verify-enclave:generateNativeSgxHeaders
 
-.PHONY: jni/build/libuntrusted_corda_sgx.so
-jni/build/libuntrusted_corda_sgx.so: jni/build/Makefile ../../verify-enclave/build/native/include/jni_sgx_api.h ../../verify-enclave/build/libs/corda-enclavelet.jar
+.PHONY: libuntrusted_corda_sgx.so
+libuntrusted_corda_sgx.so: jni/build/Makefile ../../verify-enclave/build/native/include/jni_sgx_api.h ../../verify-enclave/build/libs/corda-enclavelet.jar
 	$(MAKE) -C $(<D) VERBOSE=1
 
 .PHONY: clean