1 files changed, 5 insertions, 2 deletions
diff --git a/apiextractor.cpp b/apiextractor.cpp
index 97fa2a65d..d257b07f5 100644
--- a/apiextractor.cpp
+++ b/apiextractor.cpp
@@ -142,8 +142,11 @@ bool ApiExtractor::run()
 {
     if (m_builder)
         return false;
-    // read typesystem
-    if (!TypeDatabase::instance()->parseFile(m_typeSystemFileName)) {
+
+    if (m_typeSystemFileName.isEmpty()) {
+        std::cerr << "You must specify a Type System file." << std::endl;
+        return false;
+    } else if (!TypeDatabase::instance()->parseFile(m_typeSystemFileName)) {
         std::cerr << "Cannot parse file: " << qPrintable(m_typeSystemFileName);
         return false;
     }