diff --git a/Makefile b/Makefile
index 6fd49618..4b9b26d9 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ vector_tile.pb.cc vector_tile.pb.h: vector_tile.proto
 PG=
 
 tippecanoe: geojson.o jsonpull.o vector_tile.pb.o tile.o
-	cc $(PG) -O3 -g -Wall -o $@ $^ -lm -lz -lprotobuf-lite -lsqlite3
+	g++ $(PG) -O3 -g -Wall -o $@ $^ -lm -lz -lprotobuf-lite -lsqlite3
 
 libjsonpull.a: jsonpull.o
 	ar rc $@ $^
diff --git a/README.md b/README.md
index da3bc157..a5cb9346 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ if it is appropriate to do more than that.
 Development
 -----------
 
-Requires protoc, protobuf-lite, and sqlite3. To build:
+Requires protoc (brew install protobuf), protobuf-lite, and sqlite3. To build:
 
     make