diff --git a/src/modules/graphic/osggraph/Loader/ReaderWriterACC.cpp b/src/modules/graphic/osggraph/Loader/ReaderWriterACC.cpp
index 469048b37..04bfed939 100644
--- a/src/modules/graphic/osggraph/Loader/ReaderWriterACC.cpp
+++ b/src/modules/graphic/osggraph/Loader/ReaderWriterACC.cpp
@@ -328,7 +328,18 @@ osg::Node* ReaderWriterACC::readObject(std::istream& stream, FileData& fileData,
         }
         else if (token == "shad")
         {
-
+        }
+        else if (token == "subdiv")
+        {
+        }
+        else if (token == "folded")
+        {
+        }
+        else if (token == "hidden")
+        {
+        }
+        else if (token == "locked")
+        {
         }
         else if (token == "texrep")
         {
diff --git a/src/modules/graphic/ssggraph/grloadac.cpp b/src/modules/graphic/ssggraph/grloadac.cpp
index ea60f3fc9..be7313fe2 100644
--- a/src/modules/graphic/ssggraph/grloadac.cpp
+++ b/src/modules/graphic/ssggraph/grloadac.cpp
@@ -381,6 +381,10 @@ static Tag object_tags [] =
   { "kids"    , do_kids     },
   { "crease"  , do_ignore   },
   { "shader"  , do_ignore   },
+  { "folded"  , do_ignore   },
+  { "subdiv"  , do_ignore   },
+  { "hidden"  , do_ignore   },
+  { "locked"  , do_ignore   },
   { 0, 0 }
 } ;
 
diff --git a/src/tools/accc/ac3dload.cpp b/src/tools/accc/ac3dload.cpp
index ec5de2650..a06b3fe42 100644
--- a/src/tools/accc/ac3dload.cpp
+++ b/src/tools/accc/ac3dload.cpp
@@ -61,6 +61,9 @@
 #define REFS     "refs"
 #define CREASE   "crease"
 #define SUBDIV   "subdiv"
+#define FOLDED   "folded"
+#define HIDDEN   "hidden"
+#define LOCKED   "locked"
 
 ob_t::ob_t() :
 kids(0),
@@ -254,6 +257,9 @@ int doMat(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials);
 int doRefs(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials);
 int doCrease(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials);
 int doSubdiv(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials);
+int doFolded(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials);
+int doHidden(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials);
+int doLocked(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials);
 
 void computeSaveAC3D(const std::string & OutputFilename, std::list<ob_t> &objects, const std::vector<mat_t> &materials);
 void computeSaveOBJ(const std::string & OutputFilename, std::list<ob_t> &objects, const std::vector<mat_t> &materials);
@@ -277,7 +283,10 @@ verbaction_t verbTab[] =
 { MAT, doMat },
 { REFS, doRefs },
 { CREASE, doCrease },
-{ SUBDIV, doSubdiv, },
+{ SUBDIV, doSubdiv },
+{ FOLDED, doFolded },
+{ HIDDEN, doHidden },
+{ LOCKED, doLocked },
 { "END", NULL } };
 
 /** Copies a single surface from the "vertexarray" attributes of srcob to the ones of destob.
@@ -1103,6 +1112,24 @@ int doSubdiv(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials
     return (0);
 }
 
+int doFolded(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials)
+{
+    dataFound = false;
+    return (0);
+}
+
+int doHidden(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials)
+{
+    dataFound = false;
+    return (0);
+}
+
+int doLocked(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials)
+{
+    dataFound = false;
+    return (0);
+}
+
 int doTexture(char *Line, std::list<ob_t> &objects, std::vector<mat_t> &materials)
 {
     char name[256] = { 0 };