diff --git a/src/main/java/com/eprosima/fastcdr/idl/templates/TypesHeader.stg b/src/main/java/com/eprosima/fastcdr/idl/templates/TypesHeader.stg
index e1d7f70d..d3b83b03 100644
--- a/src/main/java/com/eprosima/fastcdr/idl/templates/TypesHeader.stg
+++ b/src/main/java/com/eprosima/fastcdr/idl/templates/TypesHeader.stg
@@ -123,7 +123,7 @@ public:
 
 const_decl(ctx, parent, const, const_type) ::= <<
 $const_type$
-const $const.typeCode.cppTypename$ $const.name$ = $const.value$;
+const $const.typeCode.cppTypename$ $const.name$ = $const.value$$const_value_prefix(const)$;
 >>
 
 typedef_decl(ctx, parent, typedefs, typedefs_type, declarator_type) ::= <<
@@ -822,6 +822,12 @@ m__d = $first(member.labels)$;
 $endif$
 %>
 
+const_value_prefix(const) ::= <%
+$if(const.typeCode.isFloat32Type)$
+f
+$endif$
+%>
+
 //{ Fast DDS-Gen extensions
 module_conversion(ctx, parent, modules, definition_list) ::= <<
 $modules : { module |