diff --git a/slither/solc_parsing/cfg/node.py b/slither/solc_parsing/cfg/node.py
index 1775084f6..c711b31c3 100644
--- a/slither/solc_parsing/cfg/node.py
+++ b/slither/solc_parsing/cfg/node.py
@@ -37,10 +37,12 @@ class NodeSolc(Node):
             if self.type == NodeType.VARIABLE:
                 # Update the expression to be an assignement to the variable
                 #print(self.variable_declaration)
-                self._expression = AssignmentOperation(Identifier(self.variable_declaration),
-                                                       self.expression,
-                                                       AssignmentOperationType.ASSIGN,
-                                                       self.variable_declaration.type)
+                _expression = AssignmentOperation(Identifier(self.variable_declaration),
+                                                  self.expression,
+                                                  AssignmentOperationType.ASSIGN,
+                                                  self.variable_declaration.type)
+                _expression.set_offset(self.expression.source_mapping, caller_context)
+                self._expression = _expression
 
             expression = self.expression
             pp = ReadVar(expression)
diff --git a/slither/solc_parsing/declarations/contract.py b/slither/solc_parsing/declarations/contract.py
index 3f8b52f6f..ebb43a185 100644
--- a/slither/solc_parsing/declarations/contract.py
+++ b/slither/solc_parsing/declarations/contract.py
@@ -382,6 +382,7 @@ class ContractSolc04(Contract):
                                                     AssignmentOperationType.ASSIGN,
                                                     variable.type)
 
+        expression.set_offset(variable.source_mapping, self.slither)
         node.add_expression(expression)
         return node
 
diff --git a/slither/solc_parsing/expressions/expression_parsing.py b/slither/solc_parsing/expressions/expression_parsing.py
index 92314a80a..4ccaeb275 100644
--- a/slither/solc_parsing/expressions/expression_parsing.py
+++ b/slither/solc_parsing/expressions/expression_parsing.py
@@ -581,7 +581,9 @@ def parse_expression(expression, caller_context):
             var = find_variable(super_name, caller_context, is_super=True)
             if var is None:
                 raise VariableNotFound('Variable not found: {}'.format(super_name))
-            return SuperIdentifier(var)
+            sup = SuperIdentifier(var)
+            sup.set_offset(expression['src'], caller_context)
+            return sup
         member_access = MemberAccess(member_name, member_type, member_expression)
         member_access.set_offset(expression['src'], caller_context.slither)
         if str(member_access) in SOLIDITY_VARIABLES_COMPOSED: