diff --git a/src/clang_options_data.zig b/src/clang_options_data.zig
index 3c4c0849761a29d20eb111aca5684b75a9412676..85ff8097616b458318ee845053bf2707258900bd 100644
--- a/src/clang_options_data.zig
+++ b/src/clang_options_data.zig
@@ -1983,7 +1983,7 @@ flagpsl("MT"),
 .{
     .name = "sysroot",
     .syntax = .separate,
-    .zig_equivalent = .other,
+    .zig_equivalent = .sysroot,
     .pd1 = false,
     .pd2 = true,
     .psl = false,
@@ -5970,7 +5970,7 @@ jspd1("undefined"),
 .{
     .name = "sysroot=",
     .syntax = .joined,
-    .zig_equivalent = .other,
+    .zig_equivalent = .sysroot,
     .pd1 = false,
     .pd2 = true,
     .psl = false,
diff --git a/src/main.zig b/src/main.zig
index 4747772b8a88ba5fed258653e56c5e2030aa088f..7756f48e26b8c7e9473473d85f92ed15eae21abd 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -1476,6 +1476,9 @@ fn buildOutputType(
                             fatal("expected [command|reactor] for -mexec-mode=[value], found '{s}'", .{it.only_arg});
                         };
                     },
+                    .sysroot => {
+                        sysroot = it.only_arg;
+                    },
                 }
             }
             // Parse linker args.
@@ -4130,6 +4133,7 @@ pub const ClangArgIterator = struct {
         strip,
         exec_model,
         emit_llvm,
+        sysroot,
     };
 
     const Args = struct {
diff --git a/tools/update_clang_options.zig b/tools/update_clang_options.zig
index 7360f96560067a0440036f2303538fcb497079e7..73b1bbd284cb3b32193f7e8e011b5cee2da00c8b 100644
--- a/tools/update_clang_options.zig
+++ b/tools/update_clang_options.zig
@@ -412,6 +412,10 @@ const known_options = [_]KnownOpt{
         .name = "emit-llvm",
         .ident = "emit_llvm",
     },
+    .{
+        .name = "sysroot",
+        .ident = "sysroot",
+    },
 };
 
 const blacklisted_options = [_][]const u8{};