diff --git a/linux/make_appimg.sh b/linux/make_appimg.sh
index 92fd91cb..6601f40b 100755
--- a/linux/make_appimg.sh
+++ b/linux/make_appimg.sh
@@ -33,6 +33,11 @@ get_dep libbsd
 get_dep tinfo
 get_dep readline
 
+if [ -n "$3" ]; then
+  echo "Copying steam_api..."
+  cp "$3/libsteam_api.so" "${MESON_INSTALL_PREFIX}/usr/lib"
+fi
+
 cp ${MESON_INSTALL_PREFIX}/share/mkxp-z/* ${MESON_INSTALL_PREFIX}
 rm -rf ${MESON_INSTALL_PREFIX}/share
 $2 ${MESON_INSTALL_PREFIX}
diff --git a/linux/meson.build b/linux/meson.build
index 8a7cc90a..868e9a62 100644
--- a/linux/meson.build
+++ b/linux/meson.build
@@ -1,4 +1,9 @@
 install_data('AppRun')
 install_data('mkxp-z.png')
 install_data('mkxp-z.desktop')
-meson.add_install_script('make_appimg.sh', 'mkxp-z', get_option('appimagekit_path'))
+
+swarg = ''
+if steamworks == true
+  swarg = steam_libpath
+endif
+meson.add_install_script('make_appimg.sh', meson.project_name(), get_option('appimagekit_path'), swarg)
diff --git a/macos/macpack.sh b/macos/macpack.sh
index 42d5f912..af875475 100755
--- a/macos/macpack.sh
+++ b/macos/macpack.sh
@@ -3,4 +3,10 @@
 EXE=${MESON_INSTALL_PREFIX}/Contents/MacOS/mkxp-z
 install_name_tool -add_rpath "@executable_path/../libs" $EXE
 
-macpack -v $EXE
+macpack $EXE
+
+if [ -n "$1" ]; then
+  echo "Setting up steam_api manually..."
+  cp "$1/libsteam_api.dylib" "${MESON_INSTALL_PREFIX}/Contents/libs"
+  install_name_tool -change "@loader_path/libsteam_api.dylib" "@executable_path/../libs/libsteam_api.dylib" $EXE
+fi
diff --git a/macos/meson.build b/macos/meson.build
index 626154cc..0dd4a657 100644
--- a/macos/meson.build
+++ b/macos/meson.build
@@ -1,3 +1,9 @@
 install_data('icon.icns', install_dir: 'Contents/Resources')
 install_data('Info.plist', install_dir: 'Contents')
-meson.add_install_script('macpack.sh')
+
+swarg = ''
+if steamworks == true
+  swarg = steam_libpath
+endif
+
+meson.add_install_script('macpack.sh', swarg)
diff --git a/meson_options.txt b/meson_options.txt
index 355f814c..2797338a 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -19,4 +19,5 @@ option('workdir_current', type: 'boolean', value: false, description: 'Keep curr
 option('static_executable', type: 'boolean', value: false, description: 'Build a static executable (Windows-only)')
 option('independent_appimage', type: 'boolean', value: true, description: 'Set current directory to the original location of the AppImage when contained within one')
 option('steamworks_path', type: 'string', value: '', description: 'Path to Steamshim')
+option('steam_appid', type: 'string', value: '', description: 'Steam AppID. Set this to use SteamAPI_RestartAppIfNecessary')
 option('appimagekit_path', type: 'string', value: '', description: 'Path to AppImageKit, used for building AppImages')