diff --git a/pwnlib/tubes/process.py b/pwnlib/tubes/process.py
index 73c378771..3b2ec16fa 100644
--- a/pwnlib/tubes/process.py
+++ b/pwnlib/tubes/process.py
@@ -1323,7 +1323,7 @@ def libs(self):
         space.
         """
         from pwnlib.util.proc import memory_maps
-        maps_raw = memory_maps(self.pid)
+        maps_raw = self.poll() is not None and memory_maps(self.pid)
 
         if not maps_raw:
             import pwnlib.elf.elf