diff --git a/scripts/get-protoc b/scripts/get-protoc
index d15a69c4..41b8f54a 100755
--- a/scripts/get-protoc
+++ b/scripts/get-protoc
@@ -17,6 +17,8 @@ if [ "$OS" = "darwin" ]; then
   OS="osx"
 fi
 
+mkdir -p bin
+
 # TODO(ericchiang): Architectures other than amd64?
 ZIP="protoc-${VERSION}-${OS}-x86_64.zip"
 URL="https://github.com/google/protobuf/releases/download/v${VERSION}/${ZIP}"