diff --git a/src/cmake_generator.cpp b/src/cmake_generator.cpp
index d290122..1814206 100644
--- a/src/cmake_generator.cpp
+++ b/src/cmake_generator.cpp
@@ -165,7 +165,7 @@ struct Command {
         // https://cmake.org/cmake/help/latest/manual/cmake-language.7.html#unquoted-argument
         // NOTE: Normally '/' does not require quoting according to the documentation but this has been the case here
         //       previously, so for backwards compatibility its still here.
-        if (str.find_first_of("()#\"\\'> |/") == str.npos)
+        if (str.find_first_of("()#\"\\'> |/;") == str.npos)
             return str;
         std::string result;
         result += "\"";