diff --git a/R/position-dodge2.r b/R/position-dodge2.r
index a4c5fdc8ba..e511b03721 100644
--- a/R/position-dodge2.r
+++ b/R/position-dodge2.r
@@ -138,7 +138,7 @@ find_x_overlaps <- function(df) {
   overlaps[1] <- counter <- 1
 
   for (i in seq_asc(2, nrow(df))) {
-    if (is.na(df$xmin[i]) || is.na(df$xmax[i - 1]) || df$xmin[i] >= df$xmax[i - 1]) {
+    if (is.na(df$xmin[i]) || is.na(df$xmax[i - 1]) || df$xmin[i] > df$xmax[i - 1]) {
       counter <- counter + 1
     }
     overlaps[i] <- counter