--- a/configure.in
+++ b/configure.in
@@ -99,7 +99,7 @@ if test "x$TARGET" = xWIN32; then
 else
     LIBS="-L/usr/local/lib -L/usr/X11R6/lib $LIBS"
     CXXFLAGS="$CXXFLAGS -I/usr/X11R6/include"
-	AC_CHECK_LIB(png12, main,, AC_MSG_ERROR(libpng is needed))
+	AC_CHECK_LIB(png, main,, AC_MSG_ERROR(libpng is needed))
 	AC_CHECK_LIB(z, main,, AC_MSG_ERROR(libz is needed))
 	if test "x$TARGET" = xUNIX; then
 	    if test "x$enable_dyngl" = xoff; then