diff --git a/src/plugins/webassembly/webassemblytoolchain.cpp b/src/plugins/webassembly/webassemblytoolchain.cpp
index 99a31fccd3d..14aec8b8b1e 100644
--- a/src/plugins/webassembly/webassemblytoolchain.cpp
+++ b/src/plugins/webassembly/webassemblytoolchain.cpp
@@ -184,6 +184,7 @@ public:
         setUserCreatable(true);
     }
 
+private:
     Toolchains autoDetect(const ToolchainDetector &detector) const override
     {
         return doAutoDetect(detector);
@@ -194,6 +195,11 @@ public:
     {
         return GccToolchain::createConfigurationWidget(bundle);
     }
+
+    FilePath correspondingCompilerCommand(const FilePath &srcPath, Id targetLang) const override
+    {
+        return GccToolchain::correspondingCompilerCommand(srcPath, targetLang, "emcc", "em++");
+    }
 };
 
 void setupWebAssemblyToolchain()