diff --git a/R/KorAPConnection.R b/R/KorAPConnection.R
index 5ecd11c..4959e45 100644
--- a/R/KorAPConnection.R
+++ b/R/KorAPConnection.R
@@ -1,5 +1,6 @@
 #' @import jsonlite
 #' @import curl
+#' @import utils
 
 defaultKorAPUrl <- "https://korap.ids-mannheim.de/"
 
diff --git a/R/KorAPQuery.R b/R/KorAPQuery.R
index 79b589c..b70a2e2 100644
--- a/R/KorAPQuery.R
+++ b/R/KorAPQuery.R
@@ -1,5 +1,6 @@
 #' @import jsonlite
 #' @import curl
+#' @import utils
 
 defaultFields <- c("corpusSigle", "textSigle", "pubDate",  "pubPlace",
             "availability", "textClass", "snippet")