diff --git a/CMakeLists.txt b/CMakeLists.txt
index 561d14f..e4ff03e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,7 +101,7 @@ install(FILES
         DESTINATION "${dragonbox_install_cmakedir}")
 
 if (DRAGONBOX_INSTALL_TO_CHARS)
-  install(FILES ${dragonbox_to_chars_headers}
+  install(FILES ${dragonbox_headers} ${dragonbox_to_chars_headers}
           DESTINATION "${dragonbox_include_directory}/dragonbox")
 else()
   install(FILES ${dragonbox_headers}
@@ -122,4 +122,4 @@ endif()
 if (MSVC)
     # /permissive- is required (see https://github.com/jk-jeon/dragonbox/pull/74#issuecomment-3247531231)
     target_compile_options(dragonbox INTERFACE /permissive-)
-endif()
\ No newline at end of file
+endif()
diff --git a/subproject/test/results/binary32.csv b/subproject/test/results/binary32.csv
index 2af9f71..d667cdb 100644
Binary files a/subproject/test/results/binary32.csv and b/subproject/test/results/binary32.csv differ
diff --git a/subproject/test/results/binary64.csv b/subproject/test/results/binary64.csv
index 0a89af5..5539ce1 100644
Binary files a/subproject/test/results/binary64.csv and b/subproject/test/results/binary64.csv differ
