1 files changed, 1 insertions, 1 deletions
diff --git a/src/error.cc b/src/error.cc
index 7de8a4e2..2055124c 100644
--- a/src/error.cc
+++ b/src/error.cc
@@ -92,7 +92,7 @@ string source_context(const path&                  file,
     return _("<no source context>");
 
   assert(len > 0);
-  assert(len < 65536);
+  assert(len < 1048576);
 
   std::ostringstream out;