diff --git a/src/plugins/projectexplorer/abi.cpp b/src/plugins/projectexplorer/abi.cpp
index 10f4ba52bc5..5471287a3f0 100644
--- a/src/plugins/projectexplorer/abi.cpp
+++ b/src/plugins/projectexplorer/abi.cpp
@@ -471,7 +471,7 @@ Abi Abi::abiFromTargetTriplet(const QString &triple)
     Abi::OS os = Abi::UnknownOS;
     Abi::OSFlavor flavor = Abi::UnknownFlavor;
     Abi::BinaryFormat format = Abi::UnknownFormat;
-    int width = 0;
+    unsigned char width = 0;
     int unknownCount = 0;
 
     foreach (const QString &p, parts) {