diff --git a/exegol/model/ExegolContainerTemplate.py b/exegol/model/ExegolContainerTemplate.py
index cb7ca608..cd950d91 100644
--- a/exegol/model/ExegolContainerTemplate.py
+++ b/exegol/model/ExegolContainerTemplate.py
@@ -3,6 +3,7 @@
 
 from rich.prompt import Prompt
 
+from exegol.config.EnvInfo import EnvInfo
 from exegol.model.ContainerConfig import ContainerConfig
 from exegol.model.ExegolImage import ExegolImage
 
@@ -14,6 +15,9 @@ def __init__(self, name: Optional[str], config: ContainerConfig, image: ExegolIm
         if name is None:
             name = Prompt.ask("[bold blue][?][/bold blue] Enter the name of your new exegol container", default="default")
         assert name is not None
+        if EnvInfo.isWindowsHost() or EnvInfo.isMacHost():
+            # Force container as lowercase because the filesystem of windows / mac are case-insensitive => https://github.com/ThePorgs/Exegol/issues/167
+            name = name.lower()
         self.container_name: str = name if name.startswith("exegol-") else f'exegol-{name}'
         self.name: str = name.replace('exegol-', '')
         if hostname:
diff --git a/exegol/utils/DockerUtils.py b/exegol/utils/DockerUtils.py
index 2417f3ca..72660c14 100644
--- a/exegol/utils/DockerUtils.py
+++ b/exegol/utils/DockerUtils.py
@@ -154,6 +154,13 @@ def getContainer(cls, tag: str) -> ExegolContainer:
             return  # type: ignore
         # Check if there is at least 1 result. If no container was found, raise ObjectNotFound.
         if container is None or len(container) == 0:
+            # Handle case-insensitive OS
+            if EnvInfo.isWindowsHost() or EnvInfo.isMacHost():
+                # First try to fetch the container as-is (for retroactive support with old container with uppercase characters)
+                # If the user's input didn't match any container, try to force the name in lowercase if not already tried
+                lowered_tag = tag.lower()
+                if lowered_tag != tag:
+                    return cls.getContainer(lowered_tag)
             raise ObjectNotFound
         # Filter results with exact name matching
         for c in container: