diff --git a/src/plugins/projectexplorer/gcctoolchain.cpp b/src/plugins/projectexplorer/gcctoolchain.cpp
index 508a80736ec..90c0d81f4d9 100644
--- a/src/plugins/projectexplorer/gcctoolchain.cpp
+++ b/src/plugins/projectexplorer/gcctoolchain.cpp
@@ -1626,7 +1626,7 @@ Toolchains GccToolchainFactory::autoDetectSdkClangToolchain(const Toolchains &kn
 
     for (Toolchain * const existingTc : known) {
         if (existingTc->compilerCommand() == *compilerPath)
-            return {existingTc};
+            return {};
     }
 
     return {autoDetectToolchain({*compilerPath, Constants::C_LANGUAGE_ID}, GccToolchain::Clang)};