diff --git a/clang-tools-extra/clangd/tool/Check.cpp b/clang-tools-extra/clangd/tool/Check.cpp
--- a/clang-tools-extra/clangd/tool/Check.cpp
+++ b/clang-tools-extra/clangd/tool/Check.cpp
@@ -111,7 +111,8 @@
 
     if (auto TrueCmd = CDB->getCompileCommand(File)) {
       Cmd = std::move(*TrueCmd);
-      log("Compile command from CDB is: {0}", printArgv(Cmd.CommandLine));
+      log("Compile command {1} is: {0}", printArgv(Cmd.CommandLine),
+          Cmd.Heuristic.empty() ? "from CDB" : Cmd.Heuristic);
     } else {
       Cmd = CDB->getFallbackCommand(File);
       log("Generic fallback command is: {0}", printArgv(Cmd.CommandLine));