diff --git a/web/public/locales/en/views/settings.json b/web/public/locales/en/views/settings.json
index 1dc2ab5bd..a097c8ebc 100644
--- a/web/public/locales/en/views/settings.json
+++ b/web/public/locales/en/views/settings.json
@@ -272,7 +272,8 @@
         "title": "Stream Validation",
         "videoCodecGood": "Video codec is {{codec}}.",
         "audioCodecGood": "Audio codec is {{codec}}.",
-        "resolutionHigh": "A detect stream resolution of {{resolution}} may cause increased resource usage.",
+        "resolutionHigh": "Resolution of {{resolution}} may cause increased resource usage.",
+        "resolutionLow": "A resolution of {{resolution}} may be too low for reliable detection of small objects.",
         "noAudioWarning": "No audio detected for this stream, recordings will not have audio.",
         "audioCodecRecordError": "The AAC audio codec is required to support audio in recordings.",
         "audioCodecRequired": "An audio stream is required to support audio detection.",
diff --git a/web/src/components/settings/wizard/Step3Validation.tsx b/web/src/components/settings/wizard/Step3Validation.tsx
index 89649c4a8..355038b92 100644
--- a/web/src/components/settings/wizard/Step3Validation.tsx
+++ b/web/src/components/settings/wizard/Step3Validation.tsx
@@ -504,6 +504,7 @@ function StreamIssues({
       const [width, height] = stream.resolution.split("x").map(Number);
       if (!isNaN(width) && !isNaN(height) && width > 0 && height > 0) {
         const minDimension = Math.min(width, height);
+        const maxDimension = Math.max(width, height);
         if (minDimension > 1080) {
           result.push({
             type: "warning",
@@ -511,6 +512,13 @@ function StreamIssues({
               resolution: stream.resolution,
             }),
           });
+        } else if (maxDimension < 640) {
+          result.push({
+            type: "error",
+            message: t("cameraWizard.step3.issues.resolutionLow", {
+              resolution: stream.resolution,
+            }),
+          });
         }
       }
     }