diff --git a/cmd/icingadb/main.go b/cmd/icingadb/main.go
index 1cfc64a6..f17fc4a2 100644
--- a/cmd/icingadb/main.go
+++ b/cmd/icingadb/main.go
@@ -29,9 +29,8 @@ import (
 )
 
 const (
-	ExitSuccess                = 0
-	ExitFailure                = 1
-	expectedRedisSchemaVersion = "6"
+	ExitSuccess = 0
+	ExitFailure = 1
 )
 
 func main() {
@@ -421,13 +420,13 @@ func checkRedisSchema(logger *logging.Logger, rc *redis.Client, pos string) (new
 	}
 
 	message := streams[0].Messages[0]
-	if version := message.Values["version"]; version != expectedRedisSchemaVersion {
+	if version := message.Values["version"]; version != internal.RedisSchemaVersion {
 		// Since these error messages are trivial and mostly caused by users, we don't need
 		// to print a stack trace here. However, since errors.Errorf() does this automatically,
 		// we need to use fmt instead.
 		return "", fmt.Errorf(
 			"unexpected Redis schema version: %q (expected %q), please make sure you are running compatible"+
-				" versions of Icinga 2 and Icinga DB", version, expectedRedisSchemaVersion,
+				" versions of Icinga 2 and Icinga DB", version, internal.RedisSchemaVersion,
 		)
 	}
 
diff --git a/internal/version.go b/internal/version.go
index 3094be44..2bdda2f6 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -33,3 +33,8 @@ var PgSqlSchemaVersions = map[uint16]string{
 	4: "1.2.1",
 	5: "1.4.0",
 }
+
+// RedisSchemaVersion is the expected Redis schema version.
+//
+// This version must match between Icinga 2 and Icinga DB.
+var RedisSchemaVersion = "6"