diff --git a/recipes/boost/all/conanfile.py b/recipes/boost/all/conanfile.py
index 59e992e38ee49..e7bf59a258f3e 100644
--- a/recipes/boost/all/conanfile.py
+++ b/recipes/boost/all/conanfile.py
@@ -1299,7 +1299,7 @@ def _toolset_tag(self):
         if self.settings.os == "Macos":
             os_ = "darwin"
         toolset_version = str(tools.Version(self.settings.compiler.version).major)
-        if self.settings.compiler in ("msvc", "Visual Studio"):
+        if str(self.settings.compiler) in ("msvc", "Visual Studio"):
             toolset_version = self._toolset_version.replace(".", "")
 
         toolset_parts = [compiler, os_]