diff --git a/.travis.gofmt.sh b/.travis.gofmt.sh
new file mode 100755
index 0000000..df102ac
--- /dev/null
+++ b/.travis.gofmt.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+result="$(gofmt -s -l .)"
+if [ -n "$result" ]; then
+  echo "Go code is not formatted, run 'gofmt -s -w .'" >&2
+  echo "$result"
+  exit 1
+fi
diff --git a/.travis.yml b/.travis.yml
index c6ba388..2b622a7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,4 +8,5 @@ install:
   - go get golang.org/x/tools/cmd/cover
 script:
   - ./.test-coverage travis-ci
+  - ./.travis.gofmt.sh
   - go install github.com/FreifunkBremen/yanic