diff --git a/src/libsodium/include/sodium/export.h b/src/libsodium/include/sodium/export.h
index f9b945cc..c33bced8 100644
--- a/src/libsodium/include/sodium/export.h
+++ b/src/libsodium/include/sodium/export.h
@@ -6,7 +6,7 @@
 # ifdef __attribute__
 #  undef __attribute__
 # endif
-# define __attribute__ (a)
+# define __attribute__(a)
 #endif
 
 #ifdef SODIUM_STATIC