1 files changed, 4 insertions, 4 deletions
diff --git a/src/times.cc b/src/times.cc
index b737b2a0..6afbab0a 100644
--- a/src/times.cc
+++ b/src/times.cc
@@ -789,8 +789,8 @@ std::string format_datetime(const datetime_t&		  when,
     return printed_datetime_io->format(when);
   }
   else {
-    assert(0);
-    return "";
+    assert(false);
+    return empty_string;
   }
 }
 
@@ -815,8 +815,8 @@ std::string format_date(const date_t&		      when,
     return printed_date_io->format(when);
   }
   else {
-    assert(0);
-    return "";
+    assert(false);
+    return empty_string;
   }
 }