diff --git a/src/Type/CallableType.php b/src/Type/CallableType.php
index d11fcf4290..112309961c 100644
--- a/src/Type/CallableType.php
+++ b/src/Type/CallableType.php
@@ -193,7 +193,11 @@ public function isAcceptedWithReasonBy(Type $acceptingType, bool $strictTypes):
 
 	public function equals(Type $type): bool
 	{
-		return $type instanceof self;
+		if (!$type instanceof self) {
+			return false;
+		}
+
+		return $this->describe(VerbosityLevel::precise()) === $type->describe(VerbosityLevel::precise());
 	}
 
 	public function describe(VerbosityLevel $level): string
diff --git a/src/Type/ClosureType.php b/src/Type/ClosureType.php
index fbab596190..4b881eb201 100644
--- a/src/Type/ClosureType.php
+++ b/src/Type/ClosureType.php
@@ -190,7 +190,7 @@ public function equals(Type $type): bool
 			return false;
 		}
 
-		return $this->returnType->equals($type->returnType);
+		return $this->describe(VerbosityLevel::precise()) === $type->describe(VerbosityLevel::precise());
 	}
 
 	public function describe(VerbosityLevel $level): string