diff --git a/lib/core/option.py b/lib/core/option.py
index d8a9a467d..b666c79a6 100644
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -122,6 +122,7 @@ from lib.core.settings import NULL
 from lib.core.settings import PARAMETER_SPLITTING_REGEX
 from lib.core.settings import PROBLEMATIC_CUSTOM_INJECTION_PATTERNS
 from lib.core.settings import SITE
+from lib.core.settings import SOCKET_PRE_CONNECT_QUEUE_SIZE
 from lib.core.settings import SQLMAP_ENVIRONMENT_PREFIX
 from lib.core.settings import SUPPORTED_DBMS
 from lib.core.settings import SUPPORTED_OS
@@ -1027,7 +1028,7 @@ def _setSocketPreConnect():
         while kb.threadContinue:
             try:
                 for address in socket._ready:
-                    if len(socket._ready[address]) < conf.threads:
+                    if len(socket._ready[address]) < SOCKET_PRE_CONNECT_QUEUE_SIZE:
                         s = socket.socket()
                         s._connect(address)
                         with kb.locks.socket:
diff --git a/lib/core/settings.py b/lib/core/settings.py
index d478ae50a..72d7a906f 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -466,6 +466,9 @@ ROTATING_CHARS = ('\\', '|', '|', '/', '-')
 # Approximate chunk length (in bytes) used by BigArray objects (only last chunk and cached one are held in memory)
 BIGARRAY_CHUNK_SIZE = 1024 * 1024
 
+# Maximum number of socket pre-connects
+SOCKET_PRE_CONNECT_QUEUE_SIZE = 3
+
 # Only console display last n table rows
 TRIM_STDOUT_DUMP_SIZE = 256