diff --git a/.changeset/thirty-rockets-know.md b/.changeset/thirty-rockets-know.md
new file mode 100644
index 0000000..008abca
--- /dev/null
+++ b/.changeset/thirty-rockets-know.md
@@ -0,0 +1,5 @@
+---
+"@knuckles/cli": patch
+---
+
+Error when no matching files are found.
diff --git a/packages/cli/src/commands/analyze/command.ts b/packages/cli/src/commands/analyze/command.ts
index 9e63f1f..cc7456e 100644
--- a/packages/cli/src/commands/analyze/command.ts
+++ b/packages/cli/src/commands/analyze/command.ts
@@ -124,6 +124,10 @@ export default command({
     });
     logger.debug("Files:", files);
 
+    if (files.length === 0) {
+      logger.error("No matching files found.");
+    }
+
     for (const fileName of files) {
       // Analyze file
       logger.debug("File: " + fileName);