diff --git a/src/server/location.rs b/src/server/location.rs
index 3e096bf6..a32fe446 100644
--- a/src/server/location.rs
+++ b/src/server/location.rs
@@ -340,14 +340,14 @@ impl Location {
 }
 
 #[cfg(test)]
-mod test {
+pub mod test {
     use super::*;
     use crate::error::HandlerResult;
     use std::collections::BTreeMap;
 
     use actix_http::http::{HeaderName, HeaderValue};
 
-    const MMDB_LOC: &str = "mmdb/GeoLite2-City-Test.mmdb";
+    pub const MMDB_LOC: &str = "mmdb/GeoLite2-City-Test.mmdb";
     const TEST_ADDR: &str = "216.160.83.56";
 
     #[test]
diff --git a/src/web/handlers.rs b/src/web/handlers.rs
index c1edecd0..fb2b9cd8 100644
--- a/src/web/handlers.rs
+++ b/src/web/handlers.rs
@@ -44,7 +44,12 @@ pub async fn get_tiles(
         let addr = match ip_addr_str.parse() {
             Ok(v) => v,
             Err(e) => {
-                return Err(HandlerErrorKind::General(format!("Invalid remote IP {:?}", e)).into());
+                // Temporary: log the IP addr for debugging mmdb issues
+                return Err(HandlerErrorKind::General(format!(
+                    "Invalid remote IP ({:?}) {:?}",
+                    ip_addr_str, e
+                ))
+                .into());
             }
         };
         state
diff --git a/src/web/test.rs b/src/web/test.rs
index c210315c..87b1de53 100644
--- a/src/web/test.rs
+++ b/src/web/test.rs
@@ -12,7 +12,11 @@ use crate::{
     build_app,
     error::{HandlerError, HandlerResult},
     metrics::Metrics,
-    server::{cache, location::Location, ServerState},
+    server::{
+        cache,
+        location::{test::MMDB_LOC, Location},
+        ServerState,
+    },
     settings::{test_settings, Settings},
     web::{dockerflow, handlers, middleware},
 };
@@ -24,6 +28,7 @@ const UA: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100
 fn get_test_settings() -> Settings {
     let treq = test::TestRequest::with_uri("/").to_http_request();
     Settings {
+        maxminddb_loc: Some(MMDB_LOC.to_owned()),
         port: treq.uri().port_u16().unwrap_or(8080),
         host: treq.uri().host().unwrap_or("localhost").to_owned(),
         ..test_settings()