diff --git a/src/azure-cli-core/azure/cli/core/extension/__init__.py b/src/azure-cli-core/azure/cli/core/extension/__init__.py
index a402d57369b..4104f77040e 100644
--- a/src/azure-cli-core/azure/cli/core/extension/__init__.py
+++ b/src/azure-cli-core/azure/cli/core/extension/__init__.py
@@ -138,7 +138,7 @@ def get_metadata(self):
             return None
         metadata = {}
         ext_dir = self.path or get_extension_path(self.name)
-        info_dirs = glob(os.path.join(ext_dir, self.name.replace('-', '_') + '*.*-info'))
+        info_dirs = glob(os.path.join(ext_dir, self.name.replace('-', '_') + '-' + '*.dist-info'))
 
         azext_metadata = WheelExtension.get_azext_metadata(ext_dir)
         if azext_metadata:
@@ -177,13 +177,13 @@ def get_all():
         if os.path.isdir(EXTENSIONS_DIR):
             for ext_name in os.listdir(EXTENSIONS_DIR):
                 ext_path = os.path.join(EXTENSIONS_DIR, ext_name)
-                pattern = os.path.join(ext_path, '*.*-info')
+                pattern = os.path.join(ext_path, '*.dist-info')
                 if os.path.isdir(ext_path) and glob(pattern):
                     exts.append(WheelExtension(ext_name, ext_path))
         if os.path.isdir(EXTENSIONS_SYS_DIR):
             for ext_name in os.listdir(EXTENSIONS_SYS_DIR):
                 ext_path = os.path.join(EXTENSIONS_SYS_DIR, ext_name)
-                pattern = os.path.join(ext_path, '*.*-info')
+                pattern = os.path.join(ext_path, '*.dist-info')
                 if os.path.isdir(ext_path) and glob(pattern):
                     ext = WheelExtension(ext_name, ext_path)
                     if ext not in exts: