diff --git a/go/delivery/history_records.go b/go/delivery/history_records.go
index 1ce6146..8cf413b 100644
--- a/go/delivery/history_records.go
+++ b/go/delivery/history_records.go
@@ -175,6 +175,9 @@ type BuildLogEntry struct {
 	// sorted and each once, as the build module answered them (BuildAnswer.Imports; novox/hq ADR 0593 §2): the indexer
 	// keeps them on the module (KeptInputs2.Imports) when the build's fingerprint is the module's.
 	Imports []string `json:"imports,omitempty"`
+	// Retakes is, at a build's end, how many times the builder took the key again by itself after a retakeable failure
+	// (BuilderBuild.Retakes; issue 1748): builder_builds_since reads it.
+	Retakes int `json:"retakes,omitempty"`
 }
 
 // BuildsSince is the answer of BuildsSinceTool: every ended build since a time, oldest first, and whether the log held