diff --git a/hash/test/extra/check_float_funcs.cpp b/hash/test/extra/check_float_funcs.cpp
index a937082..01d5168 100644
--- a/hash/test/extra/check_float_funcs.cpp
+++ b/hash/test/extra/check_float_funcs.cpp
@@ -55,4 +55,4 @@ int main() {
     int (*fpc3)(long double) = std::fpclassify;
 
 #endif
-}
\ No newline at end of file
+}
diff --git a/hash/test/hash_enum_test.cpp b/hash/test/hash_enum_test.cpp
index 30444e5..016ea69 100644
--- a/hash/test/hash_enum_test.cpp
+++ b/hash/test/hash_enum_test.cpp
@@ -15,49 +15,49 @@
 #include "./compile_time.hpp"
 
 namespace test {
-	enum enum_override { enum_override1, enum_override2 };
-	std::size_t hash_value(enum_override) { return 896532; }
+    enum enum_override { enum_override1, enum_override2 };
+    std::size_t hash_value(enum_override) { return 896532; }
 
-	enum enum1 { enum1a };
-	enum enum2 { enum2a, enum2b };
-	enum enum3 { enum3a = 574, enum3b };
-	enum enum4 { enum4a = -12574, enum4b };
+    enum enum1 { enum1a };
+    enum enum2 { enum2a, enum2b };
+    enum enum3 { enum3a = 574, enum3b };
+    enum enum4 { enum4a = -12574, enum4b };
 }
 
 int main() {
-	compile_time_tests((test::enum1*) 0);
-	compile_time_tests((test::enum2*) 0);
-	compile_time_tests((test::enum3*) 0);
-	compile_time_tests((test::enum4*) 0);
-	compile_time_tests((test::enum_override*) 0);
+    compile_time_tests((test::enum1*) 0);
+    compile_time_tests((test::enum2*) 0);
+    compile_time_tests((test::enum3*) 0);
+    compile_time_tests((test::enum4*) 0);
+    compile_time_tests((test::enum_override*) 0);
 
-	HASH_NAMESPACE::hash<test::enum1> hash1;
-	HASH_NAMESPACE::hash<test::enum2> hash2;
-	HASH_NAMESPACE::hash<test::enum3> hash3;
-	HASH_NAMESPACE::hash<test::enum4> hash4;
-	
-	BOOST_TEST(hash1(test::enum1a) == hash1(test::enum1a));
+    HASH_NAMESPACE::hash<test::enum1> hash1;
+    HASH_NAMESPACE::hash<test::enum2> hash2;
+    HASH_NAMESPACE::hash<test::enum3> hash3;
+    HASH_NAMESPACE::hash<test::enum4> hash4;
 
-	BOOST_TEST(hash2(test::enum2a) == hash2(test::enum2a));
-	BOOST_TEST(hash2(test::enum2a) != hash2(test::enum2b));
-	BOOST_TEST(hash2(test::enum2b) == hash2(test::enum2b));
+    BOOST_TEST(hash1(test::enum1a) == hash1(test::enum1a));
 
-	BOOST_TEST(hash3(test::enum3a) == hash3(test::enum3a));
-	BOOST_TEST(hash3(test::enum3a) != hash3(test::enum3b));
-	BOOST_TEST(hash3(test::enum3b) == hash3(test::enum3b));
+    BOOST_TEST(hash2(test::enum2a) == hash2(test::enum2a));
+    BOOST_TEST(hash2(test::enum2a) != hash2(test::enum2b));
+    BOOST_TEST(hash2(test::enum2b) == hash2(test::enum2b));
 
-	BOOST_TEST(hash4(test::enum4a) == hash4(test::enum4a));
-	BOOST_TEST(hash4(test::enum4a) != hash4(test::enum4b));
-	BOOST_TEST(hash4(test::enum4b) == hash4(test::enum4b));
+    BOOST_TEST(hash3(test::enum3a) == hash3(test::enum3a));
+    BOOST_TEST(hash3(test::enum3a) != hash3(test::enum3b));
+    BOOST_TEST(hash3(test::enum3b) == hash3(test::enum3b));
 
-	HASH_NAMESPACE::hash<test::enum_override> hash_override;
+    BOOST_TEST(hash4(test::enum4a) == hash4(test::enum4a));
+    BOOST_TEST(hash4(test::enum4a) != hash4(test::enum4b));
+    BOOST_TEST(hash4(test::enum4b) == hash4(test::enum4b));
 
-	BOOST_TEST(hash_override(test::enum_override1) ==
-		hash_override(test::enum_override1));
-	BOOST_TEST(hash_override(test::enum_override1) ==
-		hash_override(test::enum_override2));
-	BOOST_TEST(hash_override(test::enum_override1) ==
-		hash_override(test::enum_override1));
+    HASH_NAMESPACE::hash<test::enum_override> hash_override;
 
-	return boost::report_errors();
+    BOOST_TEST(hash_override(test::enum_override1) ==
+        hash_override(test::enum_override1));
+    BOOST_TEST(hash_override(test::enum_override1) ==
+        hash_override(test::enum_override2));
+    BOOST_TEST(hash_override(test::enum_override1) ==
+        hash_override(test::enum_override1));
+
+    return boost::report_errors();
 }
diff --git a/include/boost/functional/hash/hash.hpp b/include/boost/functional/hash/hash.hpp
index 647fd68..1fc5566 100644
--- a/include/boost/functional/hash/hash.hpp
+++ b/include/boost/functional/hash/hash.hpp
@@ -94,7 +94,7 @@ namespace boost
 
     template <typename T>
     typename boost::enable_if<boost::is_enum<T>, std::size_t>::type
-    	hash_value(T);
+        hash_value(T);
 
 #if !BOOST_WORKAROUND(__DMC__, <= 0x848)
     template <class T> std::size_t hash_value(T* const&);
@@ -187,9 +187,9 @@ namespace boost
 
     template <typename T>
     typename boost::enable_if<boost::is_enum<T>, std::size_t>::type
-    	hash_value(T v)
+        hash_value(T v)
     {
-    	return static_cast<std::size_t>(v);
+        return static_cast<std::size_t>(v);
     }
 
     // Implementation by Alberto Barbati and Dave Harris.