diff --git a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
index c2f49f83362..7ac8a98707d 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
@@ -1104,7 +1104,7 @@ static CommandLine defaultInitialCMakeCommand(const Kit *k, const QString buildT
             if (ToolChain *tc = ToolChainKitAspect::cxxToolChain(k)) {
                 const QString targetTriple = tc->originalTargetTriple();
                 cmd.addArg("-DCMAKE_C_COMPILER_TARGET:STRING=" + targetTriple);
-                cmd.addArg("-DCMAKE_CXX_COMPILER_TARGET:STRING=%1" + targetTriple);
+                cmd.addArg("-DCMAKE_CXX_COMPILER_TARGET:STRING=" + targetTriple);
             }
         }
     }