diff --git a/vulnwhisp/frameworks/openvas.py b/vulnwhisp/frameworks/openvas.py
index 9545f26..3d19d1b 100644
--- a/vulnwhisp/frameworks/openvas.py
+++ b/vulnwhisp/frameworks/openvas.py
@@ -119,7 +119,7 @@ class OpenVAS_API(object):
             ('cmd', 'get_report_formats'),
             ('token', self.token)
         )
-        self.vprint('{info} Retrieving available report foramts'.format(info=bcolors.INFO))
+        self.vprint('{info} Retrieving available report formats'.format(info=bcolors.INFO))
         data = self.request(url=self.OMP, method='GET', params=params)
 
         bs = BeautifulSoup(data.content, "lxml")
diff --git a/vulnwhisp/frameworks/qualys.py b/vulnwhisp/frameworks/qualys.py
index 962b31a..84c3fd8 100644
--- a/vulnwhisp/frameworks/qualys.py
+++ b/vulnwhisp/frameworks/qualys.py
@@ -835,7 +835,6 @@ decrement = True
 while decrement:
     decrement = False
     try:
-        print type(maxInt), maxInt
         csv.field_size_limit(maxInt)
     except OverflowError:
         maxInt = int(maxInt/10)
diff --git a/vulnwhisp/vulnwhisp.py b/vulnwhisp/vulnwhisp.py
index 9c32a41..7885883 100755
--- a/vulnwhisp/vulnwhisp.py
+++ b/vulnwhisp/vulnwhisp.py
@@ -711,6 +711,7 @@ class vulnWhispererOpenVAS(vulnWhispererBase):
                 vuln_ready['scan_reference'] = report_id
                 vuln_ready.rename(columns=self.COLUMN_MAPPING, inplace=True)
                 vuln_ready.port = vuln_ready.port.fillna(0).astype(int)
+                vuln_ready.fillna('', inplace=True)
                 if output_format == 'json':
                     with open(relative_path_name, 'w') as f:
                         f.write(vuln_ready.to_json(orient='records', lines=True))