diff --git a/GreenPad/GpMain.cpp b/GreenPad/GpMain.cpp
index f1a2052..070381e 100644
--- a/GreenPad/GpMain.cpp
+++ b/GreenPad/GpMain.cpp
@@ -839,7 +839,7 @@ void GreenPadWnd::on_helpabout()
 			#endif
 		#endif
 	#else
-		#if defined(_M_AMD64) || defined(_M_X64) || defined(WIN64)
+		#if defined(_M_AMD64) || defined(_M_X64) || defined(_M_IA64) || defined(WIN64)
 			// XP/NT5.1 is the first x64 version of Windows.
 			#define TGVER TEXT(" 5.1+")
 		#else
@@ -857,6 +857,8 @@ void GreenPadWnd::on_helpabout()
 
 	#if defined(_M_AMD64) || defined(_M_X64)
 		#define PALT TEXT( "- x86_64" )
+	#elif defined(_M_IA64)
+		#define PALT TEXT( "- IA64" )
 	#elif defined(_M_IX86)
 		#define PALT TEXT( "- i386" )
 	#elif defined(_M_MRX000) || defined(_MIPS_)
diff --git a/GreenPad/kilib/textfile.cpp b/GreenPad/kilib/textfile.cpp
index 302c05a..fec326d 100644
--- a/GreenPad/kilib/textfile.cpp
+++ b/GreenPad/kilib/textfile.cpp
@@ -1510,10 +1510,14 @@ int TextFileR::chardetAutoDetection( const uchar* ptr, ulong siz )
 
 #if defined(_M_AMD64) || defined(_M_X64)
 # define CHARDET_DLL "chardet_x64.dll"
+#elif defined(_M_IA64)
+# define CHARDET_DLL "chardet_ia64.dll"
 #elif defined(_M_ARM64)
 # define CHARDET_DLL "chardet_arm64.dll"
 #elif defined(_MIPS_)
 # define CHARDET_DLL "cdetmips.dll"
+#elif defined(_M_PPC)
+# define CHARDET_DLL "cdetppc.dll"
 #else
 # define CHARDET_DLL "chardet.dll"
 #endif