Index: zenmap/zenmapCore/NmapCommand.py
===================================================================
--- zenmap/zenmapCore/NmapCommand.py	(revision 33013)
+++ zenmap/zenmapCore/NmapCommand.py	(working copy)
@@ -256,8 +256,8 @@
 
         if sys.platform != "win32":
             try:
-                from signal import SIGKILL
-                os.kill(self.command_process.pid, SIGKILL)
+                from signal import SIGTERM
+                os.kill(self.command_process.pid, SIGTERM)
                 self.command_process.wait()
             except:
                 pass