diff --git a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/web/MapStorageRequestHandler.java b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/web/MapStorageRequestHandler.java
index 1047451e..b66a9871 100644
--- a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/web/MapStorageRequestHandler.java
+++ b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/web/MapStorageRequestHandler.java
@@ -109,7 +109,7 @@ public class MapStorageRequestHandler implements HttpRequestHandler {
                     if (lastModified > 0)
                         response.addHeader("Last-Modified", timestampToString(lastModified));
 
-                    if (lod == 0) response.addHeader("Content-Type", "application/json");
+                    if (lod == 0) response.addHeader("Content-Type", "application/octet-stream");
                     else response.addHeader("Content-Type", "image/png");
 
                     writeToResponse(compressedIn, response, request);
diff --git a/BlueMapCommon/webapp/public/sql.php b/BlueMapCommon/webapp/public/sql.php
index ccb9ee4d..6508c3ad 100644
--- a/BlueMapCommon/webapp/public/sql.php
+++ b/BlueMapCommon/webapp/public/sql.php
@@ -165,7 +165,7 @@ if (startsWith($path, "/maps/")) {
                 if ($compression !== "none")
                     header("Content-Encoding: $compression");
                 if ($lod === 0) {
-                    header("Content-Type: application/json");
+                    header("Content-Type: application/octet-stream");
                 } else {
                     header("Content-Type: image/png");
                 }
@@ -175,9 +175,8 @@ if (startsWith($path, "/maps/")) {
 
         } catch (PDOException $e) { error(500, "Failed to fetch data"); }
 
-        // empty json response if nothing found
-        header("Content-Type: application/json");
-        echo "{}";
+        // no content if nothing found
+        http_response_code(204);
         exit;
     }
 
@@ -206,4 +205,4 @@ if (startsWith($path, "/maps/")) {
 }
 
 // no match => 404
-error(404);
\ No newline at end of file
+error(404);
diff --git a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java
index cf173605..20c83b63 100644
--- a/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java
+++ b/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/mca/chunk/Chunk_1_18.java
@@ -221,7 +221,7 @@ public class Chunk_1_18 extends MCAChunk {
 
             int id = blocks.get((y & 0xF) << 8 | (z & 0xF) << 4 | x & 0xF);
             if (id >= blockPalette.length) {
-                Logger.global.noFloodWarning("palette-warning", "Got block-palette id " + id + " but palette has size of " + blockPalette.length + ". (Chunk");
+                Logger.global.noFloodWarning("palette-warning", "Got block-palette id " + id + " but palette has size of " + blockPalette.length + ".");
                 return BlockState.MISSING;
             }