diff --git a/lib/core/settings.py b/lib/core/settings.py
index 9a3bfa929..c7ae26b8c 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -18,7 +18,7 @@ from lib.core.enums import OS
 from thirdparty.six import unichr as _unichr
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.11.57"
+VERSION = "1.3.11.58"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/lib/utils/crawler.py b/lib/utils/crawler.py
index 622b34f62..d99b51fcb 100644
--- a/lib/utils/crawler.py
+++ b/lib/utils/crawler.py
@@ -228,7 +228,7 @@ def crawl(target, post=None, cookie=None):
                     match = re.search(r"/[^/?]*\?.+\Z", value)
                     if match:
                         key = re.sub(r"=[^=&]*", "=", match.group(0)).strip("&?")
-                        if key not in seen:
+                        if '=' in key and key not in seen:
                             results.add(target)
                             seen.add(key)