diff --git a/ets2panda/parser/parserImpl.cpp b/ets2panda/parser/parserImpl.cpp
index 2b6e9ce4816286d4105e555eacad3119d6577124..16bf14af95381d0bacf177ff450ce27d6c9c2612 100644
--- a/ets2panda/parser/parserImpl.cpp
+++ b/ets2panda/parser/parserImpl.cpp
@@ -967,6 +967,11 @@ FunctionSignature ParserImpl::ParseFunctionSignature(ParserStatus status)
 {
     ir::TSTypeParameterDeclaration *typeParamDecl = ParseFunctionTypeParameters();
 
+    // Check if constructor has type parameters
+    if ((status & ParserStatus::CONSTRUCTOR_FUNCTION) != 0 && typeParamDecl != nullptr) {
+        LogError(diagnostic::CONSTRUCTOR_TYPE_PARAMETERS);
+    }
+
     if (lexer_->GetToken().Type() != lexer::TokenType::PUNCTUATOR_LEFT_PARENTHESIS) {
         auto parameter = (status & ParserStatus::ARROW_FUNCTION) != 0 ? ParseFunctionParameter() : nullptr;
         if (parameter != nullptr) {
diff --git a/ets2panda/test/ast/parser/ets/type_variance2.ets b/ets2panda/test/ast/parser/ets/type_variance2.ets
index 67d7a48464199ebb03ddf3328a46bac9afb687b6..c7b077b0b6d2ae67d8c467c912f2edf81e0ec8e9 100644
--- a/ets2panda/test/ast/parser/ets/type_variance2.ets
+++ b/ets2panda/test/ast/parser/ets/type_variance2.ets
@@ -18,3 +18,4 @@ class C {
 }
 
 /* @@@ label Error SyntaxError: Variance modifier is not allowed here.  */
+/* @@? 17:35 Error SyntaxError: Constructor should not have type parameters. */
diff --git a/ets2panda/util/diagnostic/syntax.yaml b/ets2panda/util/diagnostic/syntax.yaml
index a998b7eacc637388b76862e1f7d1c186d3e43878..6076e39373ab57339bf49b114b694ecb3928da6b 100644
--- a/ets2panda/util/diagnostic/syntax.yaml
+++ b/ets2panda/util/diagnostic/syntax.yaml
@@ -137,6 +137,10 @@ syntax:
   id: 127
   message: "Conflicting modifiers '!' and '?' on field."
 
+- name: CONSTRUCTOR_TYPE_PARAMETERS
+  id: 329
+  message: "Constructor should not have type parameters."
+
 - name: DECALRE_IN_AMBIENT_CONTEXT
   id: 104
   message: "A 'declare' modifier cannot be used in an already ambient context."
@@ -423,8 +427,8 @@ syntax:
 
 - name: IMPORT_TOP_LEVEL
   id: 226
-  message: "Import declarations can only be used on the top level and before any other declaration, top level statement or
-    directive."
+  message: "Import declarations can only be used on the top level and before any other declaration, top level statement or\
+    \ directive."
 
 - name: IMPROPER_NESTING_CLASS
   id: 233
@@ -460,8 +464,8 @@ syntax:
 
 - name: INIT_MODULE_DECLARATION_POSITION
   id: 322
-  message: "initModule() must only be called immediately after the import statement, and before any other declarations or
-    statements."
+  message: "initModule() must only be called immediately after the import statement, and before any other declarations or\
+    \ statements."
 
 - name: INSERT_NODE_ABSENT
   id: 10
@@ -541,8 +545,8 @@ syntax:
 
 - name: INVALID_DECORATOR_CONSTRUCTOR
   id: 201
-  message: "The modifier for a constructor should be limited to access modifiers (private, internal, protected, public), and
-    'native' modifiers."
+  message: "The modifier for a constructor should be limited to access modifiers (private, internal, protected, public), and\
+    \ 'native' modifiers."
 
 - name: INVALID_DESTRUCTURING_TARGET
   id: 49
@@ -710,8 +714,8 @@ syntax:
 
 - name: LITERAL_VALUE_IDENT
   id: 315
-  message: "Number, string or computed value property name '{}' is not allowed, use classes to access data by property names
-    that are identifiers"
+  message: "Number, string or computed value property name '{}' is not allowed, use classes to access data by property names\
+    \ that are identifiers"
 
 - name: LOCAL_CLASS_ACCESS_MOD
   id: 30
@@ -1203,8 +1207,8 @@ syntax:
 
 - name: UNSUPPORTED_ENUM_TYPE
   id: 327
-  message: "Unsupported enum type annotation. Supported enum types are: int, long or double. String is allowed for literal
-    types, not annotations."
+  message: "Unsupported enum type annotation. Supported enum types are: int, long or double. String is allowed for literal\
+    \ types, not annotations."
 
 - name: UNTERMINATED_MULTI_LINE_COMMENT
   id: 245