diff --git a/lookyloo/lookyloo.py b/lookyloo/lookyloo.py
index a9d8e734..cdf8a364 100644
--- a/lookyloo/lookyloo.py
+++ b/lookyloo/lookyloo.py
@@ -391,6 +391,9 @@ class Lookyloo():
         """Get the cache from redis, rebuild the tree if the internal UUID changed => slow"""
         try:
             return self._captures_index[capture_uuid]
+        except NoValidHarFile:
+            self.logger.debug('No HAR files, it is just a broken capture.')
+            return None
         except MissingCaptureDirectory as e:
             # The UUID is in the captures but the directory is not on the disk.
             self.logger.warning(f'Missing Directory: {e}')
diff --git a/poetry.lock b/poetry.lock
index af4f94ef..c3d6972b 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -270,12 +270,15 @@ python-versions = "*"
 
 [[package]]
 name = "executing"
-version = "1.0.0"
+version = "1.1.0"
 description = "Get the currently executing AST node of a frame, and other information"
 category = "dev"
 optional = false
 python-versions = "*"
 
+[package.extras]
+tests = ["asttokens", "littleutils", "pytest", "rich"]
+
 [[package]]
 name = "filelock"
 version = "3.8.0"
@@ -1120,7 +1123,7 @@ jupyter = ["ipywidgets (>=7.5.1,<8.0.0)"]
 
 [[package]]
 name = "setuptools"
-version = "65.3.0"
+version = "65.4.0"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
 category = "main"
 optional = false
@@ -1149,7 +1152,7 @@ python-versions = ">=3.6"
 
 [[package]]
 name = "stack-data"
-version = "0.5.0"
+version = "0.5.1"
 description = "Extract data from python stack frames and tracebacks for informative displays"
 category = "dev"
 optional = false
@@ -1690,8 +1693,8 @@ ete3 = [
     {file = "ete3-3.1.2.tar.gz", hash = "sha256:4fc987b8c529889d6608fab1101f1455cb5cbd42722788de6aea9c7d0a8e59e9"},
 ]
 executing = [
-    {file = "executing-1.0.0-py2.py3-none-any.whl", hash = "sha256:550d581b497228b572235e633599133eeee67073c65914ca346100ad56775349"},
-    {file = "executing-1.0.0.tar.gz", hash = "sha256:98daefa9d1916a4f0d944880d5aeaf079e05585689bebd9ff9b32e31dd5e1017"},
+    {file = "executing-1.1.0-py2.py3-none-any.whl", hash = "sha256:4a6d96ba89eb3dcc11483471061b42b9006d8c9f81c584dd04246944cd022530"},
+    {file = "executing-1.1.0.tar.gz", hash = "sha256:2c2c07d1ec4b2d8f9676b25170f1d8445c0ee2eb78901afb075a4b8d83608c6a"},
 ]
 filelock = [
     {file = "filelock-3.8.0-py3-none-any.whl", hash = "sha256:617eb4e5eedc82fc5f47b6d61e4d11cb837c56cb4544e39081099fa17ad109d4"},
@@ -2502,8 +2505,8 @@ rich = [
     {file = "rich-12.5.1.tar.gz", hash = "sha256:63a5c5ce3673d3d5fbbf23cd87e11ab84b6b451436f1b7f19ec54b6bc36ed7ca"},
 ]
 setuptools = [
-    {file = "setuptools-65.3.0-py3-none-any.whl", hash = "sha256:2e24e0bec025f035a2e72cdd1961119f557d78ad331bb00ff82efb2ab8da8e82"},
-    {file = "setuptools-65.3.0.tar.gz", hash = "sha256:7732871f4f7fa58fb6bdcaeadb0161b2bd046c85905dbaa066bdcbcc81953b57"},
+    {file = "setuptools-65.4.0-py3-none-any.whl", hash = "sha256:c2d2709550f15aab6c9110196ea312f468f41cd546bceb24127a1be6fdcaeeb1"},
+    {file = "setuptools-65.4.0.tar.gz", hash = "sha256:a8f6e213b4b0661f590ccf40de95d28a177cd747d098624ad3f69c40287297e9"},
 ]
 six = [
     {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
@@ -2514,8 +2517,8 @@ soupsieve = [
     {file = "soupsieve-2.3.2.post1.tar.gz", hash = "sha256:fc53893b3da2c33de295667a0e19f078c14bf86544af307354de5fcf12a3f30d"},
 ]
 stack-data = [
-    {file = "stack_data-0.5.0-py3-none-any.whl", hash = "sha256:66d2ebd3d7f29047612ead465b6cae5371006a71f45037c7e2507d01367bce3b"},
-    {file = "stack_data-0.5.0.tar.gz", hash = "sha256:715c8855fbf5c43587b141e46cc9d9339cc0d1f8d6e0f98ed0d01c6cb974e29f"},
+    {file = "stack_data-0.5.1-py3-none-any.whl", hash = "sha256:5120731a18ba4c82cefcf84a945f6f3e62319ef413bfc210e32aca3a69310ba2"},
+    {file = "stack_data-0.5.1.tar.gz", hash = "sha256:95eb784942e861a3d80efd549ff9af6cf847d88343a12eb681d7157cfcb6e32b"},
 ]
 tldextract = [
     {file = "tldextract-3.3.1-py3-none-any.whl", hash = "sha256:35a0260570e214d8d3cfeeb403992fe9e2b686925f63c9b03c5933408ac2aa5a"},
diff --git a/pyproject.toml b/pyproject.toml
index fcba2ef5..40d35fca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ types-beautifulsoup4 = "^4.11.6"
 types-Pillow = "^9.2.2"
 
 [build-system]
-requires = ["poetry_core>=1.2"]
+requires = ["poetry_core>=1.1"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.mypy]