1 files changed, 19 insertions, 0 deletions
diff --git a/cpp/src/slice2cppe/Gen.cpp b/cpp/src/slice2cppe/Gen.cpp
index 920da32a79d..9ecaf80640a 100644
--- a/cpp/src/slice2cppe/Gen.cpp
+++ b/cpp/src/slice2cppe/Gen.cpp
@@ -2626,6 +2626,25 @@ Slice::Gen::ImplVisitor::visitModuleStart(const ModulePtr& p)
 
     _useWstring = setUseWstring(p, _useWstringHist, _useWstring);
 
+    set<string> includes;
+    ClassList classes = p->classes();
+    for(ClassList::const_iterator q = classes.begin(); q != classes.end(); ++q)
+    {
+        ClassList bases = (*q)->bases();
+        for(ClassList::const_iterator r = bases.begin(); r != bases.end(); ++r)
+        {
+            if((*r)->isAbstract())
+            {
+                includes.insert((*r)->name());
+            }
+        }
+    }
+
+    for(set<string>::const_iterator it = includes.begin(); it != includes.end(); ++it)
+    {
+        H << nl << "#include <" << *it << "I.h>";
+    }
+
     string name = fixKwd(p->name());
     
     H << sp << nl << "namespace " << name << nl << '{';