diff --git a/src/Generator/Driver.cs b/src/Generator/Driver.cs
index 1cb82890..6fd905a4 100644
--- a/src/Generator/Driver.cs
+++ b/src/Generator/Driver.cs
@@ -223,6 +223,9 @@ namespace CppSharp
         {
             foreach (var library in Options.Libraries)
             {
+                if (this.Symbols.Libraries.Any(l => l.FileName == library))
+                    continue;
+
                 var parser = new ClangParser();
                 parser.LibraryParsed += OnFileParsed;