diff --git a/.changeset/fix-repository-string.md b/.changeset/fix-repository-string.md
new file mode 100644
index 00000000..2db81cda
--- /dev/null
+++ b/.changeset/fix-repository-string.md
@@ -0,0 +1,5 @@
+---
+"@nodesecure/scanner": patch
+---
+
+fix(scanner): support string format for 'repository' field in comparePayloads
diff --git a/workspaces/scanner/src/comparePayloads.ts b/workspaces/scanner/src/comparePayloads.ts
index 053579ce..0a20bcb7 100644
--- a/workspaces/scanner/src/comparePayloads.ts
+++ b/workspaces/scanner/src/comparePayloads.ts
@@ -51,7 +51,7 @@ export interface DependencyVersionComparison {
   description: ValueComparison<string>;
   author: ValueComparison<Maintainer>;
   engines: DictionaryComparison<string>;
-  repository: ValueComparison<Repository>;
+  repository: ValueComparison<Repository | string | undefined>;
   scripts: DictionaryComparison<string>;
   warnings: ArrayDiff<Warning>;
   composition: CompositionComparison;
@@ -166,9 +166,7 @@ function compareVersions(
       author: version.author && comparedVersion.author ? compareObjects("name", version.author, comparedVersion.author) : void 0,
       // @ts-ignore
       engines: compareDictionnaries(version.engines, comparedVersion.engines),
-      // FIXME: repository can be a string: https://github.com/pillarjs/encodeurl/blob/master/package.json#L14
-      repository: compareObjects("type", version.repository, comparedVersion.repository)
-        ?? compareObjects("url", version.repository, comparedVersion.repository),
+      repository: compareRepository(version.repository, comparedVersion.repository),
       scripts: compareDictionnaries(version.scripts, comparedVersion.scripts),
       warnings: arrayDiff(version.warnings, comparedVersion.warnings),
       composition: compareComposition(version.composition, comparedVersion.composition),
@@ -312,3 +310,22 @@ export function arrayOfObjectsDiffByKey<T extends Record<string, any>>(
 
   return { added, removed };
 }
+
+function compareRepository(
+  original: Repository | string | undefined,
+  toCompare: Repository | string | undefined
+): ValueComparison<Repository | string | undefined> {
+  if (typeof original === "undefined" && typeof toCompare === "undefined") {
+    return undefined;
+  }
+
+  const isOriginalString = typeof original === "string";
+  const isComparedString = typeof toCompare === "string";
+
+  if (isOriginalString || isComparedString) {
+    return compareValues(original, toCompare);
+  }
+
+  return compareObjects("type", original as Repository, toCompare as Repository)
+    ?? compareObjects("url", original as Repository, toCompare as Repository);
+}