diff --git a/controller/build.go b/controller/build.go
index 7680fe103..05e8bbb70 100644
--- a/controller/build.go
+++ b/controller/build.go
@@ -82,7 +82,7 @@ func GetBuildLogs(c *gin.Context) {
 
 	// the user may specify to stream the full logs,
 	// or partial logs, capped at 2MB.
-	full, _ := strconv.ParseBool(c.Params.ByName("full"))
+	full, _ := strconv.ParseBool(c.DefaultQuery("full", "false"))
 
 	// parse the build number and job sequence number from
 	// the repquest parameter.