diff --git a/src/Functions/toSecond.cpp b/src/Functions/toSecond.cpp
index 90196cc6722..a631a2646d6 100644
--- a/src/Functions/toSecond.cpp
+++ b/src/Functions/toSecond.cpp
@@ -12,6 +12,8 @@ using FunctionToSecond = FunctionDateOrDateTimeToSomething<DataTypeUInt8, ToSeco
 void registerFunctionToSecond(FunctionFactory & factory)
 {
     factory.registerFunction<FunctionToSecond>();
+    /// MysQL compatibility alias.
+    factory.registerFunction<FunctionToSecond>("SECOND", FunctionFactory::CaseInsensitive);
 }
 
 }
diff --git a/tests/queries/0_stateless/01672_test_toSecond_mysql_dialect.reference b/tests/queries/0_stateless/01672_test_toSecond_mysql_dialect.reference
new file mode 100644
index 00000000000..573541ac970
--- /dev/null
+++ b/tests/queries/0_stateless/01672_test_toSecond_mysql_dialect.reference
@@ -0,0 +1 @@
+0
diff --git a/tests/queries/0_stateless/01672_test_toSecond_mysql_dialect.sql b/tests/queries/0_stateless/01672_test_toSecond_mysql_dialect.sql
new file mode 100644
index 00000000000..adb72b9843c
--- /dev/null
+++ b/tests/queries/0_stateless/01672_test_toSecond_mysql_dialect.sql
@@ -0,0 +1 @@
+SELECT SECOND(toDateTime('2016-06-15 23:00:00'));
\ No newline at end of file