diff --git a/minerl/herobraine/hero/handlers/agent/actions/equip.py b/minerl/herobraine/hero/handlers/agent/actions/equip.py
index 796cf6451..8bd54581b 100644
--- a/minerl/herobraine/hero/handlers/agent/actions/equip.py
+++ b/minerl/herobraine/hero/handlers/agent/actions/equip.py
@@ -66,7 +66,15 @@ def from_universal(self, obs) -> str:
             self._previous_metadata = metadata
             return result
         else:
-            self.logger.warning(f"Unexpected slots_gui_type={slots_gui_type}, "
-                                f"Abandoning processing and simply returning {self._default}"
-                                )
+            expected_ignore_types = (  # Filter these out to reduce stderr clutter
+                "class net.minecraft.inventory.ContainerWorkbench",
+                "class net.minecraft.inventory.ContainerFurnace",
+                "class net.minecraft.inventory.ContainerChest",
+                "class net.minecraft.inventory.ContainerMerchant",
+            )
+
+            if slots_gui_type not in expected_ignore_types:
+                self.logger.debug(f"Unexpected slots_gui_type={slots_gui_type}, "
+                                  f"Abandoning processing and simply returning '{self._default}'"
+                                  )
             return self._default