diff --git a/README.md b/README.md
index b0abcf2..d09b2f8 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,8 @@ or:
 ```c++
 mmap.map(path, error);
 ```
+**NOTE:** The constructors **require** exceptions to be enabled. If you prefer
+to build your projects with `-fno-exceptions`, you can still use the other ways.
 
 Moreover, in each case, you can provide either some string type for the file's path, or you can use an existing, valid file handle.
 ```c++
diff --git a/include/mio/mmap.hpp b/include/mio/mmap.hpp
index 2e69e63..cb686ca 100644
--- a/include/mio/mmap.hpp
+++ b/include/mio/mmap.hpp
@@ -103,6 +103,7 @@ public:
      */
     basic_mmap() = default;
 
+#ifdef __cpp_exceptions
     /**
      * The same as invoking the `map` function, except any error that may occur
      * while establishing the mapping is wrapped in a `std::system_error` and is
@@ -127,6 +128,7 @@ public:
         map(handle, offset, length, error);
         if(error) { throw std::system_error(error); }
     }
+#endif // __cpp_exceptions
 
     /**
      * `basic_mmap` has single-ownership semantics, so transferring ownership
diff --git a/include/mio/shared_mmap.hpp b/include/mio/shared_mmap.hpp
index 6ce187f..b914c18 100644
--- a/include/mio/shared_mmap.hpp
+++ b/include/mio/shared_mmap.hpp
@@ -87,6 +87,7 @@ public:
         return *this;
     }
 
+#ifdef __cpp_exceptions
     /**
      * The same as invoking the `map` function, except any error that may occur
      * while establishing the mapping is wrapped in a `std::system_error` and is
@@ -111,6 +112,7 @@ public:
         map(handle, offset, length, error);
         if(error) { throw std::system_error(error); }
     }
+#endif // __cpp_exceptions
 
     /**
      * If this is a read-write mapping and the last reference to the mapping,