diff --git a/.travis.yml b/.travis.yml
index 71d84fb..ece6dc9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@ matrix:
       rust: nightly
 
     - env: NAME='clippy'
-      rust: nightly-2019-07-19
+      rust: stable
       before_script:
         - rustup component add clippy
       script:
@@ -59,4 +59,4 @@ script:
 before_install:
   - export PATH=$PATH:$HOME/protobuf/bin
   - export PROTOC_VERSION=$(cat PROTOC_VERSION)
-  - bash install_protobuf.sh
+  - bash scripts/install_protobuf.sh
diff --git a/scripts/install_protobuf.sh b/scripts/install_protobuf.sh
index e9c6a23..41c9466 100755
--- a/scripts/install_protobuf.sh
+++ b/scripts/install_protobuf.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -e
 
-PROTOC_VERSION=$(cat PROTOC_VERSION)
+PROTOC_VERSION=$(cat ../PROTOC_VERSION)
 
 check_protoc_version () {
     this_version=`protoc --version`