diff --git a/src/databaseModel.ts b/src/databaseModel.ts
index d8401b3..db20a05 100644
--- a/src/databaseModel.ts
+++ b/src/databaseModel.ts
@@ -377,7 +377,7 @@ export class DatabaseDocument extends Disposable implements vsc.CustomDocument {
             return;
         } catch (e) {
             // Fallback if direct write fails
-            console.warn('Direct write failed, falling back to buffer transfer', e);
+            this.viewerProvider.outputChannel?.appendLine(`[Fallback] Direct write failed, falling back to buffer transfer: ${e instanceof Error ? e.message : String(e)}`);
         }
     }
 
@@ -425,7 +425,7 @@ export class DatabaseDocument extends Disposable implements vsc.CustomDocument {
             await this.databaseOperations.writeToFile(targetUri.fsPath);
             return;
         } catch (e) {
-             console.warn('Direct write failed, falling back to buffer transfer', e);
+             this.viewerProvider.outputChannel?.appendLine(`[Fallback] Direct write failed, falling back to buffer transfer: ${e instanceof Error ? e.message : String(e)}`);
         }
     }
 
diff --git a/tests/unit/databaseModel.test.ts b/tests/unit/databaseModel.test.ts
index 91031b2..c855e8e 100644
--- a/tests/unit/databaseModel.test.ts
+++ b/tests/unit/databaseModel.test.ts
@@ -365,15 +365,14 @@ describe('DatabaseDocument save/saveAs fallback', () => {
             configurable: true
         });
 
-        const originalConsoleWarn = console.warn;
         let consoleWarnCalled = false;
-        console.warn = (msg: string, err: any) => {
-            if (msg && msg.includes('Direct write failed')) {
-                consoleWarnCalled = true;
-            } else {
-                originalConsoleWarn(msg, err);
+        doc.viewerProvider.outputChannel = {
+            appendLine: (msg: string) => {
+                if (msg && msg.includes('Direct write failed')) {
+                    consoleWarnCalled = true;
+                }
             }
-        };
+        } as any;
 
         try {
             await doc.saveAs(targetUri, undefined);
@@ -388,7 +387,7 @@ describe('DatabaseDocument save/saveAs fallback', () => {
                 writable: true,
                 configurable: true
             });
-            console.warn = originalConsoleWarn;
+
         }
     });
 
@@ -424,15 +423,14 @@ describe('DatabaseDocument save/saveAs fallback', () => {
             configurable: true
         });
 
-        const originalConsoleWarn = console.warn;
         let consoleWarnCalled = false;
-        console.warn = (msg: string, err: any) => {
-            if (msg && msg.includes('Direct write failed')) {
-                consoleWarnCalled = true;
-            } else {
-                originalConsoleWarn(msg, err);
+        doc.viewerProvider.outputChannel = {
+            appendLine: (msg: string) => {
+                if (msg && msg.includes('Direct write failed')) {
+                    consoleWarnCalled = true;
+                }
             }
-        };
+        } as any;
 
         try {
             await doc.save();
@@ -446,7 +444,7 @@ describe('DatabaseDocument save/saveAs fallback', () => {
                 writable: true,
                 configurable: true
             });
-            console.warn = originalConsoleWarn;
+
         }
     });