diff --git a/include/wx/dlimpexp.h b/include/wx/dlimpexp.h
index 09b15f6bc0..3412137fdf 100644
--- a/include/wx/dlimpexp.h
+++ b/include/wx/dlimpexp.h
@@ -26,13 +26,16 @@
 #        define WXEXPORT __declspec(dllexport)
 #        define WXIMPORT __declspec(dllimport)
     /*
-        While gcc also supports __declspec(dllexport), it creates unusably huge
-        DLL files since gcc 4.5 (while taking horribly long amounts of time),
+        While gcc also supports __declspec(dllexport), it created unusably huge
+        DLL files in gcc 4.[56] (while taking horribly long amounts of time),
         see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43601. Because of this
         we rely on binutils auto export/import support which seems to work
-        quite well for 4.5+.
+        quite well for 4.5+. However the problem was fixed in 4.7 and later and
+        not exporting everything creates smaller DLLs (~8% size difference), so
+        do use the explicit attributes again for the newer versions.
      */
-#    elif defined(__GNUC__) && !wxCHECK_GCC_VERSION(4, 5)
+#    elif defined(__GNUC__) && \
+        (!wxCHECK_GCC_VERSION(4, 5) || wxCHECK_GCC_VERSION(4, 7))
         /*
             __declspec could be used here too but let's use the native
             __attribute__ instead for clarity.