diff --git a/src/CocoaUtils.h b/src/CocoaUtils.h
index a720e885..c80863b8 100644
--- a/src/CocoaUtils.h
+++ b/src/CocoaUtils.h
@@ -5,6 +5,6 @@
 class CocoaUtils
 {
 public:
-	static void endApplication();
-  static void nslog(const std::string &str, void *userdata);
+        static void endApplication();
+        static void nslog(const std::string &str, void *userdata);
 };
diff --git a/src/fileutils.h b/src/fileutils.h
index 87911e6e..3509a720 100644
--- a/src/fileutils.h
+++ b/src/fileutils.h
@@ -3,4 +3,4 @@
 #include <string>
 
 std::string lookup_file(const std::string &filename, 
-												const std::string &path, const std::string &fallbackpath);
+                        const std::string &path, const std::string &fallbackpath);
diff --git a/src/nodedumper.h b/src/nodedumper.h
index 0063a2a5..0f5acc8f 100644
--- a/src/nodedumper.h
+++ b/src/nodedumper.h
@@ -9,25 +9,25 @@
 class NodeDumper : public Visitor
 {
 public:
-	/*! If idPrefix is true, we will output "n<id>:" in front of each node, 
-		  which is useful for debugging. */
-	NodeDumper(NodeCache &cache, bool idPrefix = false) : 
-		cache(cache), idprefix(idPrefix), root(NULL) { }
-  virtual ~NodeDumper() {}
+        /*! If idPrefix is true, we will output "n<id>:" in front of each node,
+          which is useful for debugging. */
+        NodeDumper(NodeCache &cache, bool idPrefix = false) :
+                cache(cache), idprefix(idPrefix), root(NULL) { }
+        virtual ~NodeDumper() {}
 
-  virtual Response visit(State &state, const AbstractNode &node);
+        virtual Response visit(State &state, const AbstractNode &node);
 
 private:
-  void handleVisitedChildren(const State &state, const AbstractNode &node);
-  bool isCached(const AbstractNode &node) const;
-  void handleIndent(const State &state);
-	std::string dumpChildren(const AbstractNode &node);
+        void handleVisitedChildren(const State &state, const AbstractNode &node);
+        bool isCached(const AbstractNode &node) const;
+        void handleIndent(const State &state);
+        std::string dumpChildren(const AbstractNode &node);
 
-  NodeCache &cache;
-	bool idprefix;
+        NodeCache &cache;
+        bool idprefix;
 
-  std::string currindent;
-  const AbstractNode *root;
-  typedef std::list<const AbstractNode *> ChildList;
-	std::map<int, ChildList> visitedchildren;
+        std::string currindent;
+        const AbstractNode *root;
+        typedef std::list<const AbstractNode *> ChildList;
+        std::map<int, ChildList> visitedchildren;
 };