diff --git a/R/mfairInitialization.R b/R/mfairInitialization.R
index 5ad6958..b2c2ec7 100644
--- a/R/mfairInitialization.R
+++ b/R/mfairInitialization.R
@@ -11,7 +11,7 @@
 #' @return Returns MFAIR object, with main data matrix and auxiliary information.
 #' @export
 createMFAIR <- function(Y, X, Y_center = TRUE, K_max = 1L, project = "MFAIR") {
-  if(!is.data.frame(X)){
+  if (!is.data.frame(X)) {
     stop("X should be a data.frame!")
   } # End