diff --git a/support/cmake/cxx14.cmake b/support/cmake/cxx14.cmake
index c86cf508..d725917a 100644
--- a/support/cmake/cxx14.cmake
+++ b/support/cmake/cxx14.cmake
@@ -40,6 +40,17 @@ if (FMT_USE_CPP14)
     check_cxx_compiler_flag(-std=c++1y HAVE_STD_CPP1Y_FLAG)
     if (HAVE_STD_CPP1Y_FLAG)
       set(CPP14_FLAG -std=c++1y)
+    else ()
+      # Fallback on c++11 if c++14 is not available.
+      check_cxx_compiler_flag(-std=c++11 HAVE_STD_CPP11_FLAG)
+      if (HAVE_STD_CPP11_FLAG)
+        set(CPP14_FLAG -std=c++11)
+      else ()
+        check_cxx_compiler_flag(-std=c++0x HAVE_STD_CPP11_FLAG)
+        if (HAVE_STD_CPP0X_FLAG)
+          set(CPP14_FLAG -std=c++0x)
+        endif ()
+      endif ()
     endif ()
   endif ()
 endif ()