1 files changed, 2 insertions, 3 deletions
diff --git a/src/format.h b/src/format.h
index 74d77768..0073b427 100644
--- a/src/format.h
+++ b/src/format.h
@@ -71,12 +71,11 @@ class format_t : public expr_base_t<string>
       : supports_flags<>(), type(STRING), min_width(0), max_width(0) {
       TRACE_CTOR(element_t, "");
     }
+    element_t(const element_t& elem);
+
     ~element_t() throw() {
       TRACE_DTOR(element_t);
     }
-    element_t(const element_t& elem) : supports_flags<>() {
-      *this = elem;
-    }
 
     element_t& operator=(const element_t& elem) {
       if (this != &elem) {