diff --git a/lib/std/zig/system/NativePaths.zig b/lib/std/zig/system/NativePaths.zig
index f8003cd62061b4cfeb936533448e9a4b9f20dbb4..e289fa75155f375bbd347ba061a440d822b4d3b1 100644
--- a/lib/std/zig/system/NativePaths.zig
+++ b/lib/std/zig/system/NativePaths.zig
@@ -40,10 +40,11 @@ pub fn detect(
                     break;
                 };
                 try self.addFrameworkDir(framework_path);
+            } else if (mem.startsWith(u8, word, "-frandom-seed=") or
+                mem.startsWith(u8, word, "-fmacro-prefix-map="))
+            {
+                // Ignore this argument.
             } else {
-                if (mem.startsWith(u8, word, "-frandom-seed=")) {
-                    continue;
-                }
                 try self.addWarningFmt("Unrecognized C flag from NIX_CFLAGS_COMPILE: {s}", .{word});
             }
         }