5 files changed, 10 insertions, 10 deletions
diff --git a/src/util/ConstBuffer.hxx b/src/util/ConstBuffer.hxx
index cea0bddf8..8d36ac08b 100644
--- a/src/util/ConstBuffer.hxx
+++ b/src/util/ConstBuffer.hxx
@@ -27,8 +27,8 @@
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef CONST_BUFFER_HPP
-#define CONST_BUFFER_HPP
+#ifndef CONST_BUFFER_HXX
+#define CONST_BUFFER_HXX
 
 #include "Compiler.h"
 
diff --git a/src/util/StaticFifoBuffer.hxx b/src/util/StaticFifoBuffer.hxx
index c5331b352..54ec51b0d 100644
--- a/src/util/StaticFifoBuffer.hxx
+++ b/src/util/StaticFifoBuffer.hxx
@@ -27,8 +27,8 @@
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef STATIC_FIFO_BUFFER_HPP
-#define STATIC_FIFO_BUFFER_HPP
+#ifndef STATIC_FIFO_BUFFER_HXX
+#define STATIC_FIFO_BUFFER_HXX
 
 #include "WritableBuffer.hxx"
 
diff --git a/src/util/StringBuffer.hxx b/src/util/StringBuffer.hxx
index 1ef562684..86574502d 100644
--- a/src/util/StringBuffer.hxx
+++ b/src/util/StringBuffer.hxx
@@ -27,8 +27,8 @@
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef STRING_BUFFER_HPP
-#define STRING_BUFFER_HPP
+#ifndef STRING_BUFFER_HXX
+#define STRING_BUFFER_HXX
 
 #include <array>
 
diff --git a/src/util/StringUtil.hxx b/src/util/StringUtil.hxx
index df1ca49d1..794615875 100644
--- a/src/util/StringUtil.hxx
+++ b/src/util/StringUtil.hxx
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_STRING_UTIL_HXX
-#define MPD_STRING_UTIL_HXX
+#ifndef STRING_UTIL_HXX
+#define STRING_UTIL_HXX
 
 #include "Compiler.h"
 
diff --git a/src/util/WritableBuffer.hxx b/src/util/WritableBuffer.hxx
index e36f24e56..8272b012d 100644
--- a/src/util/WritableBuffer.hxx
+++ b/src/util/WritableBuffer.hxx
@@ -27,8 +27,8 @@
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WRITABLE_BUFFER_HPP
-#define WRITABLE_BUFFER_HPP
+#ifndef WRITABLE_BUFFER_HXX
+#define WRITABLE_BUFFER_HXX
 
 #include "Compiler.h"