diff --git a/asv_bench/benchmarks/merge.py b/asv_bench/benchmarks/merge.py
index 9d092e3f6f3..ae27e8e400f 100644
--- a/asv_bench/benchmarks/merge.py
+++ b/asv_bench/benchmarks/merge.py
@@ -13,6 +13,6 @@ def setup(self, existing_elements):
             d[f"var{i}"] = i
         self.dataset = xr.merge([d])
 
-    def time_variable_insertion(self, existin_elements):
+    def time_variable_insertion(self, existing_elements):
         dataset = self.dataset
         dataset["new_var"] = 0