diff --git a/libraries/source/nvtt/build.sh b/libraries/source/nvtt/build.sh
index a855940d90..81d1b12af7 100755
--- a/libraries/source/nvtt/build.sh
+++ b/libraries/source/nvtt/build.sh
@@ -6,7 +6,7 @@ set -e
 cd "$(dirname "$0")"
 
 PV=28209
-LIB_VERSION=${PV}+wfg1
+LIB_VERSION=${PV}+wfg2
 
 fetch()
 {
diff --git a/libraries/source/nvtt/patches/0003-Use-execute_process-insted-of-exec_program.patch b/libraries/source/nvtt/patches/0003-Use-execute_process-insted-of-exec_program.patch
index faf94c6ff3..e730eede63 100644
--- a/libraries/source/nvtt/patches/0003-Use-execute_process-insted-of-exec_program.patch
+++ b/libraries/source/nvtt/patches/0003-Use-execute_process-insted-of-exec_program.patch
@@ -17,7 +17,7 @@ index 7db7a95..13d39de 100644
  
  		#IF("${val}" GREATER 0 OR NV_SYSTEM_PROCESSOR STREQUAL "unknown")
 -			EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE NV_SYSTEM_PROCESSOR RETURN_VALUE val)
-+		execute_process(COMMAND uname -m OUTPUT_VARIABLE NV_SYSTEM_PROCESSOR ERROR_VARIABLE val)
++		execute_process(COMMAND uname -m OUTPUT_VARIABLE NV_SYSTEM_PROCESSOR ERROR_VARIABLE NV_SYSTEM_PROCESSOR RESULT_VARIABLE val OUTPUT_STRIP_TRAILING_WHITESPACE)
  		#ENDIF("${val}" GREATER 0 OR NV_SYSTEM_PROCESSOR STREQUAL "unknown")
  
  		IF(NV_SYSTEM_PROCESSOR STREQUAL "Power Macintosh")