diff --git a/include/mio/mmap.hpp b/include/mio/mmap.hpp
index 2e69e63..b7803ea 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
@@ -127,7 +128,7 @@ public:
         map(handle, offset, length, error);
         if(error) { throw std::system_error(error); }
     }
-
+#endif
     /**
      * `basic_mmap` has single-ownership semantics, so transferring ownership
      * may only be accomplished by moving the object.
diff --git a/include/mio/shared_mmap.hpp b/include/mio/shared_mmap.hpp
index 6ce187f..19be761 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
 
     /**
      * If this is a read-write mapping and the last reference to the mapping,