diff --git a/src/plugins/baremetal/iarewtoolchain.cpp b/src/plugins/baremetal/iarewtoolchain.cpp
index 85528afb5c2..d5029c78788 100644
--- a/src/plugins/baremetal/iarewtoolchain.cpp
+++ b/src/plugins/baremetal/iarewtoolchain.cpp
@@ -328,9 +328,7 @@ Toolchain::MacroInspectionRunner IarToolchain::createMacroInspectionRunner() con
 
     return [env, compiler, extraArgs, macrosCache, languageId]
             (const QStringList &flags) {
-        Q_UNUSED(flags)
-
-        Macros macros = dumpPredefinedMacros(compiler, extraArgs, languageId, env);
+        Macros macros = dumpPredefinedMacros(compiler, extraArgs + flags, languageId, env);
         macros.append({"__intrinsic", "", MacroType::Define});
         macros.append({"__nounwind", "", MacroType::Define});
         macros.append({"__noreturn", "", MacroType::Define});