diff --git a/R/brm_marginals.R b/R/brm_marginals.R
index df1524ac..0a028521 100644
--- a/R/brm_marginals.R
+++ b/R/brm_marginals.R
@@ -208,7 +208,7 @@ subtract_control <- function(draws, groups, times, control) {
 }
 
 name_marginal <- function(group, time) {
-  sprintf("%s, %s", group , time)
+  sprintf("%s, %s", group, time)
 }
 
 names_group <- function(draws) {