diff --git a/libserpent/compiler.cpp b/libserpent/compiler.cpp
index a3e5b1c60..886eee6df 100644
--- a/libserpent/compiler.cpp
+++ b/libserpent/compiler.cpp
@@ -173,7 +173,7 @@ programData opcodeify(Node node,
     }
     // Comments do nothing
     else if (node.val == "comment") {
-        Node nodelist[] = { };
+        Node* nodelist = nullptr;
         return pd(aux, multiToken(nodelist, 0, m), 0);
     }
     // Custom operation sequence
diff --git a/libserpent/rewriteutils.cpp b/libserpent/rewriteutils.cpp
index 0d810bdbc..e6429434a 100644
--- a/libserpent/rewriteutils.cpp
+++ b/libserpent/rewriteutils.cpp
@@ -2,6 +2,7 @@
 #include <iostream>
 #include <vector>
 #include <map>
+#include <string>
 #include "util.h"
 #include "lllparser.h"
 #include "bignum.h"
diff --git a/libserpent/util.cpp b/libserpent/util.cpp
index 5e83c0e41..4b99a5ea5 100644
--- a/libserpent/util.cpp
+++ b/libserpent/util.cpp
@@ -5,6 +5,7 @@
 #include "util.h"
 #include "bignum.h"
 #include <fstream>
+#include <string>
 #include <cerrno>
 
 //Token or value node constructor