diff --git a/code/ryzom/server/src/ai_service/ai_bot_pet.h b/code/ryzom/server/src/ai_service/ai_bot_pet.h
index caaf83d0c..34eacd039 100644
--- a/code/ryzom/server/src/ai_service/ai_bot_pet.h
+++ b/code/ryzom/server/src/ai_service/ai_bot_pet.h
@@ -14,7 +14,9 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+#ifdef NL_OS_WINDOWS
 #pragma warning (disable : 4355) // warning C4355: 'this' : used in base member initializer list
+#endif // NL_OS_WINDOWS
 
 #ifndef RYAI_BOT_PET_H
 #define RYAI_BOT_PET_H
diff --git a/code/ryzom/server/src/ai_service/ai_player.h b/code/ryzom/server/src/ai_service/ai_player.h
index 65dbb1dbc..430396b16 100644
--- a/code/ryzom/server/src/ai_service/ai_player.h
+++ b/code/ryzom/server/src/ai_service/ai_player.h
@@ -29,7 +29,9 @@ class CFauna;
 
 
 
+#ifdef NL_OS_WINDOWS
 #pragma warning (disable : 4355)
+#endif // NL_OS_WINDOWS
 
 //////////////////////////////////////////////////////////////////////////////
 // CBotPlayer                                                               //
diff --git a/code/ryzom/server/src/ai_service/list_link.h b/code/ryzom/server/src/ai_service/list_link.h
index ffb5fbcdb..617d1b7cb 100644
--- a/code/ryzom/server/src/ai_service/list_link.h
+++ b/code/ryzom/server/src/ai_service/list_link.h
@@ -26,7 +26,9 @@
 // The only valid constructor requires a pointer to the parent class that the
 // list link represents
 
+#ifdef NL_OS_WINDOWS
 #pragma warning (disable : 4355)
+#endif // NL_OS_WINDOWS
 
 template <class C>
 class CListLink