diff --git a/javascript/extractor/src/com/semmle/js/extractor/Main.java b/javascript/extractor/src/com/semmle/js/extractor/Main.java
index b455a2c9e09..e5a4a7cad9f 100644
--- a/javascript/extractor/src/com/semmle/js/extractor/Main.java
+++ b/javascript/extractor/src/com/semmle/js/extractor/Main.java
@@ -7,6 +7,7 @@ import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
@@ -179,6 +180,12 @@ public class Main {
         remainingTypescriptFiles.add(f);
       }
     }
+    for (Map.Entry<Path, FileSnippet> entry : extractorState.getSnippets().entrySet()) {
+      if (!extractedFiles.contains(entry.getKey().toFile())
+          && FileType.forFileExtension(entry.getKey().toFile()) == FileType.TYPESCRIPT) {
+        remainingTypescriptFiles.add(entry.getKey().toFile());
+      }
+    }
     if (!remainingTypescriptFiles.isEmpty()) {
       tsParser.prepareFiles(remainingTypescriptFiles);
       for (File f : remainingTypescriptFiles) {