diff --git a/Injector.cs b/Injector.cs
index 8ef7759..a4f4ce7 100644
--- a/Injector.cs
+++ b/Injector.cs
@@ -126,8 +126,16 @@ private void WriteAssembly(string assemblyFile, string keyfile)
 
         private void ReadAssembly(string assemblyFile)
         {
-            Debug.Assert(Assembly == null);
-            var readParams = new ReaderParameters(ReadingMode.Immediate);
+            Debug.Assert(Assembly == null);
+
+            var resolver = new DefaultAssemblyResolver();
+            resolver.AddSearchDirectory(Path.GetDirectoryName(assemblyFile));
+
+            var readParams = new ReaderParameters(ReadingMode.Immediate)
+            {
+                AssemblyResolver = resolver
+            };
+            
             if (PdbFile(assemblyFile) != null)
             {
                 readParams.ReadSymbols = true;