diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7799278..ea5c466e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@
 * Improve the performance of the `at_least_one` test by pruning early. This is especially helpful when running against external tables. By @joshuahuntley in https://github.com/dbt-labs/dbt-utils/pull/775
 ## Fixes
 * Fix legacy links in README by @dbeatty10 in https://github.com/dbt-labs/dbt-utils/pull/796
+* Fixed false positive in not_constant test when using groupings and a grouping has only one row by @igor-lobanov-maersk https://github.com/dbt-labs/dbt-utils/issues/848
 
 # dbt utils v1.1.0
 ## What's Changed
diff --git a/macros/generic_tests/not_constant.sql b/macros/generic_tests/not_constant.sql
index c3a976bf..b8da215c 100644
--- a/macros/generic_tests/not_constant.sql
+++ b/macros/generic_tests/not_constant.sql
@@ -22,6 +22,6 @@ from {{ model }}
   {{groupby_gb_cols}}
 
 having count(distinct {{ column_name }}) = 1
-
+  and count(1) > 1
 
 {% endmacro %}