diff --git a/R/build-metadata.R b/R/build-metadata.R
index 10c7c00..38e62c4 100644
--- a/R/build-metadata.R
+++ b/R/build-metadata.R
@@ -42,7 +42,7 @@ store_build_metadata <- function(
   } else if (nrow(existing_entries) >= 1 && force) {
     cli::cli_alert_info("{.fun store_build_metadata}: Force overwriting build metadata for {.field {package_name}} {.field {tag}} because {.code force = TRUE} was set.")
 
-    dbExecute(con, sprintf("UPDATE single_builds SET build_timestamp = %s WHERE package_name = %s and tag = %s", format(Sys.time(), "%Y-%m-%d %H:%M:%S"), package_name, tag))
+    dbExecute(con, sprintf("UPDATE single_builds SET build_timestamp = '%s' WHERE package_name = '%s' and tag = '%s'", format(Sys.time(), "%Y-%m-%d %H:%M:%S"), package_name, tag))
   }
 
   # Close the SQLite connection