diff --git a/src/gguf/fileReaders/GgufNetworkFetchFileReader.ts b/src/gguf/fileReaders/GgufNetworkFetchFileReader.ts
index 0a6d0c12..5b5d9acf 100644
--- a/src/gguf/fileReaders/GgufNetworkFetchFileReader.ts
+++ b/src/gguf/fileReaders/GgufNetworkFetchFileReader.ts
@@ -59,7 +59,7 @@ export class GgufNetworkFetchFileReader extends GgufFileReader {
         if (endOffset > this._buffer.length)
             return this._fetchToExpandBufferUpToOffset(endOffset)
                 .then(() => {
-                    if (endOffset >= this._buffer.length)
+                    if (endOffset > this._buffer.length)
                         throw new Error("Expected buffer to be long enough for the requested byte range");
                 });
 
diff --git a/test/standalone/gguf/ggufNetworkFileBoundary.test.ts b/test/standalone/gguf/ggufNetworkFileBoundary.test.ts
new file mode 100644
index 00000000..638e7ddc
--- /dev/null
+++ b/test/standalone/gguf/ggufNetworkFileBoundary.test.ts
@@ -0,0 +1,28 @@
+import {describe, expect, test} from "vitest";
+import {GgufNetworkFetchFileReader} from "../../../src/gguf/fileReaders/GgufNetworkFetchFileReader.js";
+
+const remoteGGUFModel = "https://huggingface.co/ggml-org/models-moved/resolve/499bc8821c6b12b4e53c5bffcb21ec206f212d81/tinyllamas/stories260K.gguf";
+const remoteGGUFModelSize = 1185376;
+
+describe("gguf network file boundaries", () => {
+    test("reads the final byte after expanding the buffer to EOF", {timeout: 1000 * 60 * 10}, async () => {
+        const fileReader = new GgufNetworkFetchFileReader({url: remoteGGUFModel, retryOptions: {retries: 0}});
+
+        expect(await fileReader.readUint8(remoteGGUFModelSize - 1))
+            .toBe(63);
+    });
+
+    test("reads bytes before EOF", {timeout: 1000 * 60 * 10}, async () => {
+        const fileReader = new GgufNetworkFetchFileReader({url: remoteGGUFModel, retryOptions: {retries: 0}});
+
+        expect(await fileReader.readStringWithLength(0, 4))
+            .toBe("GGUF");
+    });
+
+    test("rejects a byte beyond EOF", {timeout: 1000 * 60 * 10}, async () => {
+        const fileReader = new GgufNetworkFetchFileReader({url: remoteGGUFModel, retryOptions: {retries: 0}});
+
+        await expect(fileReader.readUint8(remoteGGUFModelSize))
+            .rejects.toThrow("Expected buffer to be long enough for the requested byte range");
+    });
+});