diff --git a/sig_checker.py b/sig_checker.py
index aec2e53..fc181d8 100755
--- a/sig_checker.py
+++ b/sig_checker.py
@@ -41,7 +41,7 @@ import ida_bytes
 SIG_REGEX = re.compile(r'"([A-Fa-f0-9\? ]+)"')
 
 def is_valid_sig(sig):
-  sig = sig.strip()
+  sig = sig.strip().replace(' ', '')
 
   if len(sig) == 0:
     return False