diff --git a/src/protobufs/Makefile.am b/src/protobufs/Makefile.am
index 131ec4e..13fdce8 100644
--- a/src/protobufs/Makefile.am
+++ b/src/protobufs/Makefile.am
@@ -1,7 +1,7 @@
 source = userinput.proto hostinput.proto transportinstruction.proto
 
 AM_CPPFLAGS = $(protobuf_CFLAGS)
-AM_CXXFLAGS = $(WARNING_CXXFLAGS) $(HARDEN_CFLAGS) $(MISC_CXXFLAGS)
+AM_CXXFLAGS = $(WARNING_CXXFLAGS) $(HARDEN_CFLAGS) $(MISC_CXXFLAGS) -Wno-error
 
 SUFFIXES = .proto .pb.cc
 
diff --git a/src/tests/encrypt-decrypt.cc b/src/tests/encrypt-decrypt.cc
index 179a6c0..b01e348 100644
--- a/src/tests/encrypt-decrypt.cc
+++ b/src/tests/encrypt-decrypt.cc
@@ -54,7 +54,7 @@ const size_t NUM_SESSIONS         = 64;
 
 bool verbose = false;
 
-#define NONCE_FMT "%016"PRIx64
+#define NONCE_FMT "%016" PRIx64
 
 static std::string random_payload( void ) {
   const size_t len = prng.uint32() % MESSAGE_SIZE_MAX;