diff --git a/config.tests/unix/endian/ConfigureChecks.cmake b/config.tests/unix/endian/ConfigureChecks.cmake
index 4fe0006c..6a23642f 100644
--- a/config.tests/unix/endian/ConfigureChecks.cmake
+++ b/config.tests/unix/endian/ConfigureChecks.cmake
@@ -13,7 +13,7 @@ include(TestBigEndian)
 test_big_endian(WORDS_BIGENDIAN)
 
 if( ${WORDS_BIGENDIAN} )
-    set( _ENDIAN "Q_BIG_ENDIAN" )
+    set( _ENDIAN "TQ_BIG_ENDIAN" )
  else()
-    set( _ENDIAN "Q_LITTLE_ENDIAN" )
+    set( _ENDIAN "TQ_LITTLE_ENDIAN" )
 endif()
diff --git a/include/ntqconfig.h.cmake b/include/ntqconfig.h.cmake
index b9b29234..a1bd37da 100644
--- a/include/ntqconfig.h.cmake
+++ b/include/ntqconfig.h.cmake
@@ -8,9 +8,9 @@
 #define TQT_BUILD_KEY "@_HOST_SYSTEM_PROCESSOR@ @_HOST_SYSTEM_NAME@ @_COMPILER_NAME@ @_TQT_CONFIG_STRING@"
 
 /* Machine byte-order */
-#define Q_BIG_ENDIAN 4321
-#define Q_LITTLE_ENDIAN 1234
-#define Q_BYTE_ORDER @_ENDIAN@
+#define TQ_BIG_ENDIAN 4321
+#define TQ_LITTLE_ENDIAN 1234
+#define TQ_BYTE_ORDER @_ENDIAN@
 
 /* Compile time features */
 #cmakedefine QT_LARGEFILE_SUPPORT 64