diff --git a/config/config.h.in b/config/config.h.in
index 5ff3c7fd..8a938251 100644
--- a/config/config.h.in
+++ b/config/config.h.in
@@ -212,7 +212,7 @@
 # define EXV_DLLPUBLIC
 #else
 # ifdef EXV_WANT_VISIBILITY_SUPPORT
-#  if defined(__GNUC__) && (__GNUC__ >= 4)
+#  if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__clang__)
 #   define EXV_IMPORT __attribute__ ((visibility("default")))
 #   define EXV_EXPORT __attribute__ ((visibility("default")))
 #   define EXV_DLLLOCAL __attribute__ ((visibility("hidden")))