diff --git a/Source/WebCore/Modules/applicationmanifest/ApplicationManifestParser.cpp b/Source/WebCore/Modules/applicationmanifest/ApplicationManifestParser.cpp
index 7132517b34c03..d4b7da30fb6a2 100644
--- a/Source/WebCore/Modules/applicationmanifest/ApplicationManifestParser.cpp
+++ b/Source/WebCore/Modules/applicationmanifest/ApplicationManifestParser.cpp
@@ -486,6 +486,8 @@ std::optional<URL> ApplicationManifestParser::parseScope(const JSON::Object& man
         return std::nullopt;
     }
 
+    scopeURL.removeQueryAndFragmentIdentifier();
+
     return scopeURL;
 }
 
diff --git a/Tools/TestWebKitAPI/Tests/WebCore/ApplicationManifestParser.cpp b/Tools/TestWebKitAPI/Tests/WebCore/ApplicationManifestParser.cpp
index a047077213730..65c2afc27187a 100644
--- a/Tools/TestWebKitAPI/Tests/WebCore/ApplicationManifestParser.cpp
+++ b/Tools/TestWebKitAPI/Tests/WebCore/ApplicationManifestParser.cpp
@@ -564,6 +564,18 @@ TEST_F(ApplicationManifestParserTest, Scope)
     m_startURL = URL { "https://example.com/documents/home"_s };
     m_manifestURL = URL { "https://example.com/resources/manifest.json"_s };
 
+    // Removes query
+    testScope("\"https://example.com/documents/home?query\""_s, "https://example.com/documents/home"_s, false);
+    testScope("\"https://example.com/documents/home?query=whatever\""_s, "https://example.com/documents/home"_s, false);
+
+    // Removes fragment
+    testScope("\"https://example.com/documents/home#\""_s, "https://example.com/documents/home"_s, false);
+    testScope("\"https://example.com/documents/home#fragment\""_s, "https://example.com/documents/home"_s, false);
+
+    // Removes query and fragment
+    testScope("\"https://example.com/documents/home?#\""_s, "https://example.com/documents/home"_s, false);
+    testScope("\"https://example.com/documents/home?query#fragment\""_s, "https://example.com/documents/home"_s, false);
+
     // It's fine if the document URL or manifest URL aren't within the application scope - only the start URL needs to be.
     testScope("\"https://example.com/other\""_s, "https://example.com/other/start-url"_s, "https://example.com/other"_s, false);
 }