diff --git a/OpenCOLLADA/common/libBuffer/CMakeLists.txt b/OpenCOLLADA/common/libBuffer/CMakeLists.txt
index a01acf8..57213bb 100644
--- a/OpenCOLLADA/common/libBuffer/CMakeLists.txt
+++ b/OpenCOLLADA/common/libBuffer/CMakeLists.txt
@@ -10,6 +10,10 @@ set(libBuffer_include_dirs
 	../../Externals/UTF/include
 )
 
+SET(libUTF_src_dirs
+	${CMAKE_CURRENT_SOURCE_DIR}/../../Externals/UTF/src/
+)
+
 set(libBuffer_include_dirs ${libBuffer_include_dirs} PARENT_SCOPE)  # adding include dirs to a parent scope
 
 set(SRC
@@ -18,6 +22,7 @@ set(SRC
 	src/CommonFWriteBufferFlusher.cpp
 	src/CommonStreamBufferFlusher.cpp
 	# src/CommonLogFileBufferFlusher.cpp
+	${libUTF_src_dirs}/ConvertUTF.c
 
 	include/CommonBuffer.h
 	include/CommonCharacterBuffer.h