diff --git a/docker-compose-dev.yml b/docker-compose-dev.yml
index efd43eb9..08257f62 100644
--- a/docker-compose-dev.yml
+++ b/docker-compose-dev.yml
@@ -88,7 +88,7 @@ services:
           location / {
             proxy_pass https://tile.openstreetmap.org/;
             proxy_set_header Host tile.openstreetmap.org;
-            proxy_set_header User-Agent "Reitti/1.0 \\(+https://github.com/dedicatedcode/reitti; contact: reitti@dedicatedcode.com\\)";
+            proxy_set_header User-Agent \"Reitti/1.0 \\(+https://github.com/dedicatedcode/reitti; contact: reitti@dedicatedcode.com\\)\";
             proxy_cache tiles;
             proxy_cache_valid 200 30d;
             proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
diff --git a/docker-compose.yml b/docker-compose.yml
index 01fc1e31..1537290c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -82,7 +82,7 @@ services:
           location / {
             proxy_pass https://tile.openstreetmap.org/;
             proxy_set_header Host tile.openstreetmap.org;
-            proxy_set_header User-Agent "Reitti/1.0 \\(+https://github.com/dedicatedcode/reitti; contact: reitti@dedicatedcode.com\\)";
+            proxy_set_header User-Agent \"Reitti/1.0 \\(+https://github.com/dedicatedcode/reitti; contact: reitti@dedicatedcode.com\\)\";
             proxy_cache tiles;
             proxy_cache_valid 200 30d;
             proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;