diff --git a/src/plugins/projectexplorer/abi.cpp b/src/plugins/projectexplorer/abi.cpp
index 971636dc7b4..58b923d5198 100644
--- a/src/plugins/projectexplorer/abi.cpp
+++ b/src/plugins/projectexplorer/abi.cpp
@@ -691,6 +691,8 @@ QString Abi::toString(const Architecture &a)
         return QLatin1String("sh");
     case AsmJsArchitecture:
         return QLatin1String("asmjs");
+    case Stm8Architecture:
+        return QLatin1String("stm8");
     case UnknownArchitecture:
         Q_FALLTHROUGH();
     default:
@@ -827,6 +829,8 @@ Abi::Architecture Abi::architectureFromString(const QStringRef &a)
         return ItaniumArchitecture;
     if (a == "sh")
         return ShArchitecture;
+    if (a == "stm8")
+        return Stm8Architecture;
     else if (a == "xtensa")
         return XtensaArchitecture;
     if (a == "asmjs")
diff --git a/src/plugins/projectexplorer/abi.h b/src/plugins/projectexplorer/abi.h
index 0a4e758d60e..032d6f3b899 100644
--- a/src/plugins/projectexplorer/abi.h
+++ b/src/plugins/projectexplorer/abi.h
@@ -59,6 +59,7 @@ public:
         XtensaArchitecture,
         Mcs51Architecture,
         AsmJsArchitecture,
+        Stm8Architecture,
         UnknownArchitecture
     };