diff --git a/plugin/trino-ignite/src/main/java/io/trino/plugin/ignite/IgniteClient.java b/plugin/trino-ignite/src/main/java/io/trino/plugin/ignite/IgniteClient.java
index ba28654ac057..3afdb8bd0e79 100644
--- a/plugin/trino-ignite/src/main/java/io/trino/plugin/ignite/IgniteClient.java
+++ b/plugin/trino-ignite/src/main/java/io/trino/plugin/ignite/IgniteClient.java
@@ -38,6 +38,7 @@
 import io.trino.plugin.jdbc.aggregation.ImplementAvgFloatingPoint;
 import io.trino.plugin.jdbc.aggregation.ImplementCount;
 import io.trino.plugin.jdbc.aggregation.ImplementCountAll;
+import io.trino.plugin.jdbc.aggregation.ImplementCountDistinct;
 import io.trino.plugin.jdbc.aggregation.ImplementMinMax;
 import io.trino.plugin.jdbc.aggregation.ImplementSum;
 import io.trino.plugin.jdbc.expression.JdbcConnectorExpressionRewriterBuilder;
@@ -167,6 +168,7 @@ public IgniteClient(
                         .add(new ImplementAvgFloatingPoint())
                         .add(new ImplementAvgDecimal())
                         .add(new ImplementAvgBigint())
+                        .add(new ImplementCountDistinct(bigintTypeHandle, true))
                         .build());
     }
 
diff --git a/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteClient.java b/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteClient.java
index 9883422ec703..9fcdf01bc595 100644
--- a/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteClient.java
+++ b/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteClient.java
@@ -93,7 +93,7 @@ public void testImplementCount()
         testImplementAggregation(
                 new AggregateFunction("count", BIGINT, List.of(bigintVariable), List.of(), true, Optional.empty()),
                 Map.of(bigintVariable.getName(), BIGINT_COLUMN),
-                Optional.empty());
+                Optional.of("count(DISTINCT `c_bigint`)"));
 
         // count() FILTER (WHERE ...)
         testImplementAggregation(
diff --git a/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteConnectorTest.java b/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteConnectorTest.java
index d867a1c156e7..5ca9f5bbf56f 100644
--- a/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteConnectorTest.java
+++ b/plugin/trino-ignite/src/test/java/io/trino/plugin/ignite/TestIgniteConnectorTest.java
@@ -83,6 +83,7 @@ protected boolean hasBehavior(TestingConnectorBehavior connectorBehavior)
             case SUPPORTS_NEGATIVE_DATE:
                 return false;
 
+            case SUPPORTS_AGGREGATION_PUSHDOWN_COUNT_DISTINCT:
             case SUPPORTS_DROP_COLUMN:
             case SUPPORTS_LIMIT_PUSHDOWN:
             case SUPPORTS_TOPN_PUSHDOWN: