diff --git a/lib/PHPCfg/Printer.php b/lib/PHPCfg/Printer.php
index fcd4fe7..100c743 100755
--- a/lib/PHPCfg/Printer.php
+++ b/lib/PHPCfg/Printer.php
@@ -129,6 +129,9 @@ protected function renderOp(Op $op)
         if ($op instanceof Op\Expr\Param) {
             $result .= "\n    declaredType: " . $this->indent($this->renderType($op->declaredType));
         }
+        if ($op instanceof Op\Expr\Include_) {
+            $result .= "\n    type: " . $this->indent($this->renderIncludeType($op->type));
+        }
 
         foreach ($op->getVariableNames() as $varName) {
             $vars = $op->{$varName};
@@ -291,6 +294,22 @@ protected function renderType(?Op\Type $type): string
         throw new \LogicException("Unknown type rendering: " . get_class($type));
     }
 
+    protected function renderIncludeType(int $type): string
+    {
+        switch($type) {
+            case 1:
+                return "include";
+            case 2:
+                return "include_once";
+            case 3:
+                return "require";
+            case 4:
+                return "require_once";
+            default:
+                throw new \LogicException("Unknown include type rendering: " .$type);
+        }
+    }
+
     protected function renderFlags(Op\Stmt $stmt): string
     {
         $result = '';
diff --git a/test/code/include.test b/test/code/include.test
new file mode 100755
index 0000000..99b13f6
--- /dev/null
+++ b/test/code/include.test
@@ -0,0 +1,26 @@
+<?php
+include($foo);
+include_once($foo);
+require($foo);
+require_once($foo);
+-----
+Block#1
+    Expr_Include
+        type: include
+        expr: Var#1<$foo>
+        result: Var#2
+    Expr_Include
+        type: include_once
+        expr: Var#1<$foo>
+        result: Var#3
+    Expr_Include
+        type: require
+        expr: Var#1<$foo>
+        result: Var#4
+    Expr_Include
+        type: require_once
+        expr: Var#1<$foo>
+        result: Var#5
+    Terminal_Return
+
+