diff --git a/extern/gnuwin32/CMakeLists.txt b/extern/gnuwin32/CMakeLists.txt
index ab3c0cb..d5e4bd6 100644
--- a/extern/gnuwin32/CMakeLists.txt
+++ b/extern/gnuwin32/CMakeLists.txt
@@ -1,7 +1,7 @@
 
 INSTALL(PROGRAMS 
 	bin/jpeg62.dll
-	bin/libpng13.dll
+	bin/libpng12.dll
 	bin/libtiff3.dll
 	bin/zlib1.dll
 	DESTINATION bin)