diff --git a/fish.xcodeproj/project.pbxproj b/fish.xcodeproj/project.pbxproj
index 5c6b07e3f..2f6dca944 100644
--- a/fish.xcodeproj/project.pbxproj
+++ b/fish.xcodeproj/project.pbxproj
@@ -1033,7 +1033,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "cd \"${SRCROOT}\" ;\n# Run build_documentation.sh\n# Do this in a subshell so that we keep going even if it calls exit\n( . \"./build_tools/build_documentation.sh\" \"./Doxyfile.help\" \"./doc_src\" \"$BUILT_PRODUCTS_DIR\" )\n\n# Copy certain files into man1, destined for share/man/man1 (instead of share/fish/man/man1)\n# These copies will fail if the documentation did not build; that's OK\n# We want to create the directory even if the documentation did not build, so that the Xcode build can still succeed\nmanpathdir=\"${BUILT_PRODUCTS_DIR}/pages_for_manpath/man1\"\necho \"Copying pages destined for manpath into $manpathdir\"\nrm -Rf \"$manpathdir\"\nmkdir -p \"$manpathdir\"\nfor manpage in fish.1 set_color.1 fishd.1 fish_indent.1; do\n  manpagepath=\"${BUILT_PRODUCTS_DIR}/man/man1/${manpage}\"\n  test -f \"$manpagepath\" && cp \"$manpagepath\" \"${BUILT_PRODUCTS_DIR}/pages_for_manpath/man1/\"\ndone\n\n# Always succeed\ntrue\n";
+			shellScript = "cd \"${SRCROOT}\" ;\n# Run build_documentation.sh\n# Do this in a subshell so that we keep going even if it calls exit\nexport INPUT_FILTER=./lexicon_filter\n( . \"./build_tools/build_documentation.sh\" \"./Doxyfile.help\" \"./doc_src\" \"$BUILT_PRODUCTS_DIR\" )\n\n# Copy certain files into man1, destined for share/man/man1 (instead of share/fish/man/man1)\n# These copies will fail if the documentation did not build; that's OK\n# We want to create the directory even if the documentation did not build, so that the Xcode build can still succeed\nmanpathdir=\"${BUILT_PRODUCTS_DIR}/pages_for_manpath/man1\"\necho \"Copying pages destined for manpath into $manpathdir\"\nrm -Rf \"$manpathdir\"\nmkdir -p \"$manpathdir\"\nfor manpage in fish.1 set_color.1 fishd.1 fish_indent.1; do\n  manpagepath=\"${BUILT_PRODUCTS_DIR}/man/man1/${manpage}\"\n  test -f \"$manpagepath\" && cp \"$manpagepath\" \"${BUILT_PRODUCTS_DIR}/pages_for_manpath/man1/\"\ndone\n\n# Always succeed\ntrue\n";
 		};
 /* End PBXShellScriptBuildPhase section */