diff --git a/install b/install
index db5d3fa..34cc563 100755
--- a/install
+++ b/install
@@ -553,6 +553,9 @@ config_boulder() {
     sudo -u labca -H patch -p1 < $cloneDir/bad-key-revoker_main.patch &>>$installLog
     cp cmd/bad-key-revoker/main.go "$boulderLabCADir/.backup/"
 
+    sudo -u labca -H patch -p1 < $cloneDir/log-validator_main.patch &>>$installLog
+    cp cmd/log-validator/main.go "$boulderLabCADir/.backup/"
+
     sudo -u labca -H patch -p1 -o "$boulderLabCADir/entrypoint.sh" < $cloneDir/entrypoint.patch &>>$installLog
     sudo -u labca -H patch -p1 -o "$boulderLabCADir/startservers.py" < $cloneDir/startservers.patch &>>$installLog
     sudo -u labca -H patch -p1 < $cloneDir/startservers.patch &>>$installLog
diff --git a/log-validator_main.patch b/log-validator_main.patch
new file mode 100644
index 0000000..dc811d5
--- /dev/null
+++ b/log-validator_main.patch
@@ -0,0 +1,15 @@
+diff --git a/cmd/log-validator/main.go b/cmd/log-validator/main.go
+index fdab2ac6..bb136880 100644
+--- a/cmd/log-validator/main.go
++++ b/cmd/log-validator/main.go
+@@ -52,8 +52,8 @@ func lineValid(text string) error {
+ 	if strings.Contains(text, errorPrefix) {
+ 		return nil
+ 	}
+-	// Check the extracted checksum against the computed checksum
+-	if computedChecksum := blog.LogLineChecksum(line); checksum != computedChecksum {
++	// Check the extracted checksum against the computed checksum, but ignore "message repeated X times" lines
++	if computedChecksum := blog.LogLineChecksum(line); checksum != computedChecksum && checksum != "message" {
+ 		return fmt.Errorf("%s invalid checksum (expected %q, got %q)", errorPrefix, computedChecksum, checksum)
+ 	}
+ 	return nil