--- CMakeLists.txt.orig	2025-05-20 19:39:10 UTC
+++ CMakeLists.txt
@@ -214,7 +214,7 @@ include(GNUInstallDirs)
 
 include(GNUInstallDirs)
 
-install(FILES "${CMAKE_CURRENT_BINARY_DIR}/optipng"
+install(PROGRAMS "${CMAKE_CURRENT_BINARY_DIR}/optipng"
         DESTINATION "${CMAKE_INSTALL_BINDIR}"
 )
 install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/src/optipng/man/optipng.1"