diff --git a/lib/upload-sarif-action.js b/lib/upload-sarif-action.js
index a5ac077f3..d93a037d9 100644
--- a/lib/upload-sarif-action.js
+++ b/lib/upload-sarif-action.js
@@ -93528,6 +93528,11 @@ async function run() {
       sarifPath,
       category
     );
+    if (Object.keys(uploadResults).length === 0) {
+      throw new ConfigurationError(
+        `No SARIF files found to upload in "${sarifPath}".`
+      );
+    }
     const codeScanningResult = uploadResults["code-scanning" /* CodeScanning */];
     if (codeScanningResult !== void 0) {
       core13.setOutput("sarif-id", codeScanningResult.sarifID);
diff --git a/src/upload-sarif-action.ts b/src/upload-sarif-action.ts
index 43f7d0753..b9eced9d3 100644
--- a/src/upload-sarif-action.ts
+++ b/src/upload-sarif-action.ts
@@ -97,6 +97,14 @@ async function run() {
       sarifPath,
       category,
     );
+
+    // Fail if we didn't upload anything.
+    if (Object.keys(uploadResults).length === 0) {
+      throw new ConfigurationError(
+        `No SARIF files found to upload in "${sarifPath}".`,
+      );
+    }
+
     const codeScanningResult =
       uploadResults[analyses.AnalysisKind.CodeScanning];
     if (codeScanningResult !== undefined) {