diff --git a/clang-tools-extra/clangd/SystemIncludeExtractor.cpp b/clang-tools-extra/clangd/SystemIncludeExtractor.cpp
--- a/clang-tools-extra/clangd/SystemIncludeExtractor.cpp
+++ b/clang-tools-extra/clangd/SystemIncludeExtractor.cpp
@@ -184,13 +184,18 @@
   const llvm::StringRef FlagsToPreserve[] = {
       "-nostdinc", "--no-standard-includes", "-nostdinc++", "-nobuiltininc"};
   // Preserves these flags and their values, either as separate args or with an
-  // equalsbetween them
+  // equals between them
   const llvm::StringRef ArgsToPreserve[] = {"--sysroot", "-isysroot"};
 
   for (size_t I = 0, E = CommandLine.size(); I < E; ++I) {
     llvm::StringRef Arg = CommandLine[I];
     if (llvm::is_contained(FlagsToPreserve, Arg)) {
       Args.push_back(Arg);
+    } else if (Arg.startswith("--target=")) {
+      Args.push_back(Arg);
+    } else if (I + 1 < E && Arg.equals("-target")) {
+      Args.push_back(CommandLine[I]);
+      Args.push_back(CommandLine[++I]);
     } else {
       const auto *Found =
           llvm::find_if(ArgsToPreserve, [&Arg](llvm::StringRef S) {