diff --git a/wifite/attack/pmkid.py b/wifite/attack/pmkid.py
index 1c80058d7..a1876b788 100755
--- a/wifite/attack/pmkid.py
+++ b/wifite/attack/pmkid.py
@@ -339,7 +339,7 @@ def save_pmkid(self, pmkid_hash):
     # TODO Rename this here and in `save_pmkid`
     def _extracted_from_save_pmkid_21(self, arg0):
         # Generate filesystem-safe filename from bssid, essid and date
-        essid_safe = re.sub('[^a-zA-Z\d]', '', self.target.essid)
+        essid_safe = re.sub('[^a-zA-Z0-9]', '', self.target.essid)
         bssid_safe = self.target.bssid.replace(':', '-')
         date = time.strftime('%Y-%m-%dT%H-%M-%S')
         result = f'pmkid_{essid_safe}_{bssid_safe}_{date}{arg0}'
diff --git a/wifite/attack/wpa.py b/wifite/attack/wpa.py
index 928a77f21..3c28a0678 100755
--- a/wifite/attack/wpa.py
+++ b/wifite/attack/wpa.py
@@ -196,7 +196,7 @@ def load_handshake(bssid, essid):
             return None
 
         if essid:
-            essid_safe = re.escape(re.sub('[^a-zA-Z\d]', '', essid))
+            essid_safe = re.escape(re.sub('[^a-zA-Z0-9]', '', essid))
         else:
             essid_safe = '[a-zA-Z0-9]+'
         bssid_safe = re.escape(bssid.replace(':', '-'))
@@ -223,7 +223,7 @@ def save_handshake(handshake):
 
         # Generate filesystem-safe filename from bssid, essid and date
         if handshake.essid and type(handshake.essid) is str:
-            essid_safe = re.sub('[^a-zA-Z\d]', '', handshake.essid)
+            essid_safe = re.sub('[^a-zA-Z0-9]', '', handshake.essid)
         else:
             essid_safe = 'UnknownEssid'
         bssid_safe = handshake.bssid.replace(':', '-')