diff --git a/generate-docs.sh b/generate-docs.sh
index a7eba6274be..38912056276 100755
--- a/generate-docs.sh
+++ b/generate-docs.sh
@@ -29,8 +29,13 @@ nav_order: 1
 EOF
 
     cat "README.md" >> ${HOMEPAGE}
-    sed -i '' 's/src="/src="assets\/images\//g' ${HOMEPAGE}
-    sed -i '' 's/srcset="/srcset="assets\/images\//g' ${HOMEPAGE}
+
+    SEDOPTION="-i"
+    if [[ "$OSTYPE" == "darwin"* ]]; then
+        SEDOPTION="-i .bak"
+    fi
+    sed $SEDOPTION 's/src="/src="assets\/images\//g' ${HOMEPAGE}
+    sed $SEDOPTION 's/srcset="/srcset="assets\/images\//g' ${HOMEPAGE}
 }
 
 generate_bugpattern_docs() {
diff --git a/website/.gitignore b/website/.gitignore
index 6443883887c..a38a85bc590 100644
--- a/website/.gitignore
+++ b/website/.gitignore
@@ -4,6 +4,7 @@ Gemfile.lock
 _site/
 
 # Generated content
+*.bak
 index.md
 bugpatterns/
 refastertemplates/