diff --git a/netlify.toml b/netlify.toml
index 38d54fb5..0f0e1acf 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -1,7 +1,7 @@
 [build]
 	publish = "dist/"
 	command = "FILE=tools/ci/build-prod.sh; rm -rf dist/; if [ -f $FILE ]; then bash $FILE; else cp -r web/ dist/; fi"
-	ignore = "if [${COMMIT_REF} == ${CACHED_COMMIT_REF}]; then false; else git diff --quiet $CACHED_COMMIT_REF $COMMIT_REF web/ tools/ .parcelrc netlify.toml package-lock.json package.json postcss.config.js; fi"
+	ignore = "if ['${COMMIT_REF}' == '${CACHED_COMMIT_REF}']; then false; else git diff --quiet $CACHED_COMMIT_REF $COMMIT_REF web/ tools/ .parcelrc netlify.toml package-lock.json package.json postcss.config.js; fi"
 
 [build.environment]
 	PYTHON_VERSION = "3.8"