diff --git a/code/nel/include/nel/misc/bitmap.h b/code/nel/include/nel/misc/bitmap.h
index 99fa5527f..06d8d2670 100644
--- a/code/nel/include/nel/misc/bitmap.h
+++ b/code/nel/include/nel/misc/bitmap.h
@@ -35,13 +35,19 @@ class IStream;
 //------------------ DDS STUFFS --------------------
 
 #ifndef NL_MAKEFOURCC
-    #define NL_MAKEFOURCC(ch0, ch1, ch2, ch3)                              \
-                ((uint32)(uint8)(ch0) | ((uint32)(uint8)(ch1) << 8) |   \
-                ((uint32)(uint8)(ch2) << 16) | ((uint32)(uint8)(ch3) << 24 ))
+	#ifdef NL_LITTLE_ENDIAN
+		#define NL_MAKEFOURCC(ch0, ch1, ch2, ch3) \
+			((uint32)(uint8)(ch0) | ((uint32)(uint8)(ch1) << 8) | \
+			((uint32)(uint8)(ch2) << 16) | ((uint32)(uint8)(ch3) << 24 ))
+	#else
+		#define NL_MAKEFOURCC(ch0, ch1, ch2, ch3) \
+			((uint32)(uint8)(ch3) | ((uint32)(uint8)(ch2) << 8) | \
+			((uint32)(uint8)(ch1) << 16) | ((uint32)(uint8)(ch0) << 24 ))
+	#endif
 #endif
 
 const uint32	DDS_HEADER = NL_MAKEFOURCC('D', 'D', 'S', ' ');
-const uint32	DXT_HEADER = NL_MAKEFOURCC('D','X', 'T', '\0');
+const uint32	DXT_HEADER = NL_MAKEFOURCC('D', 'X', 'T', '\0');
 const uint32	PNG_HEADER = NL_MAKEFOURCC(0x89, 'P', 'N', 'G');
 const uint32	JPG_HEADER = NL_MAKEFOURCC(0xff, 0xd8, 0xff, 0xe0);
 
diff --git a/code/ryzom/client/src/permanent_ban.cpp b/code/ryzom/client/src/permanent_ban.cpp
index 8cb4d0fac..032a5ffaa 100644
--- a/code/ryzom/client/src/permanent_ban.cpp
+++ b/code/ryzom/client/src/permanent_ban.cpp
@@ -157,6 +157,10 @@ static void markBNPFile(std::string &path)
 		return;
 	}
 
+#ifdef NL_BIG_ENDIAN
+	NLMISC_BSWAP32(nOffsetFromBegining);
+#endif
+
 	if (nlfseek64 (f, nOffsetFromBegining, SEEK_SET) != 0)
 	{
 		fclose (f);
@@ -170,6 +174,11 @@ static void markBNPFile(std::string &path)
 		fclose (f);
 		return;
 	}
+
+#ifdef NL_BIG_ENDIAN
+	NLMISC_BSWAP32(nNbFile);
+#endif
+
 	for (uint32 i = 0; i < nNbFile; ++i)
 	{
 		char FileName[MAX_PATH];
@@ -223,12 +232,20 @@ static void markBNPFile(std::string &path)
 			return;
 		}
 
+#ifdef NL_BIG_ENDIAN
+		NLMISC_BSWAP32(nFileSize2);
+#endif
+
 		uint32 nFilePos;
 		if (fread (&nFilePos, sizeof(uint32), 1, f) != 1)
 		{
 			fclose (f);
 			return;
 		}
+
+#ifdef NL_BIG_ENDIAN
+		NLMISC_BSWAP32(nFilePos);
+#endif
 	}
 
 	fclose (f);