diff --git a/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs b/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs
index b4288131..c836d621 100644
--- a/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs
+++ b/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs
@@ -157,7 +157,7 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
 				foreach (var method in GetDecrypterMethods(type)) {
 					if (method == null)
 						continue;
-					if (!new LocalTypes(method).Exactly(requiredLocals_sl))
+					if (!new LocalTypes(method).All(requiredLocals_sl))
 						continue;
 
 					resourceDecrypterType = type;