diff --git a/src/plugins/projectexplorer/gcctoolchain.cpp b/src/plugins/projectexplorer/gcctoolchain.cpp
index b65ee827766..d1f54665554 100644
--- a/src/plugins/projectexplorer/gcctoolchain.cpp
+++ b/src/plugins/projectexplorer/gcctoolchain.cpp
@@ -327,6 +327,8 @@ Abi GccToolChain::targetAbi() const
 
 QString GccToolChain::originalTargetTriple() const
 {
+    if (m_originalTargetTriple.isEmpty())
+        m_originalTargetTriple = detectSupportedAbis().originalTargetTriple;
     return m_originalTargetTriple;
 }