diff --git a/IO/CMakeLists.txt b/IO/CMakeLists.txt
index 38ac753..20aa058 100644
--- a/IO/CMakeLists.txt
+++ b/IO/CMakeLists.txt
@@ -11,7 +11,7 @@ SET( HEADERS
 FIND_PACKAGE( PNG )
 IF( PNG_FOUND )
 	INCLUDE_DIRECTORIES( ${PNG_INCLUDE_DIR} )
-	TARGET_LINK_LIBRARIES( ${PNG_LIBRARY} )
+
 
 	SET( SOURCES ${SOURCES} "src/ImageLoaderPNG.cpp" )
 	SET( HEADERS ${HEADERS} "src/ImageLoaderPNG.h" )
@@ -29,3 +29,7 @@ ADD_LIBRARY(TexCompIO
 	${SOURCES}
 	${HEADERS}
 )
+
+IF( PNG_FOUND )
+	TARGET_LINK_LIBRARIES( TexCompIO ${PNG_LIBRARY} )
+ENDIF()