diff --git a/README.md b/README.md
index 5549bf3..f9db959 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,28 @@ rga-fzf() {
 }
 ```
 
+And for your `~/.config/fish/config.fish`:
+```
+function rga-fzf
+    set RG_PREFIX 'rga --files-with-matches'
+    if test (count $argv) -gt 1
+        set RG_PREFIX "$RG_PREFIX $argv[1..-2]"
+    end
+    set -l file $file
+    set file (
+        FZF_DEFAULT_COMMAND="$RG_PREFIX '$argv[-1]'" \
+        fzf --sort \
+            --preview='test ! -z {} && \
+                rga --pretty --context 5 {q} {}' \
+            --phony -q "$argv[-1]" \
+            --bind "change:reload:$RG_PREFIX {q}" \
+            --preview-window='50%:wrap'
+    ) && \
+    echo "opening $file" && \
+    open "$file"
+end
+```
+
 ## INSTALLATION
 
 Linux x64, macOS and Windows binaries are available [in GitHub Releases][latestrelease].