diff --git a/python/helpers/pydev/_pydevd_bundle/pydevd_thrift.py b/python/helpers/pydev/_pydevd_bundle/pydevd_thrift.py
index 157ca082b739..01afef81fbb6 100644
--- a/python/helpers/pydev/_pydevd_bundle/pydevd_thrift.py
+++ b/python/helpers/pydev/_pydevd_bundle/pydevd_thrift.py
@@ -510,7 +510,7 @@ def dataframe_to_thrift_struct(df, name, roffset, coffset, rows, cols, format):
             except AttributeError:
                 try:
                     kind = df.dtypes[0].kind
-                except IndexError:
+                except (IndexError, KeyError):
                     kind = "O"
             format = array_default_format(kind)
         else:
diff --git a/python/helpers/pydev/_pydevd_bundle/pydevd_vars.py b/python/helpers/pydev/_pydevd_bundle/pydevd_vars.py
index 5d692ba1ddf3..629c2289ddfc 100644
--- a/python/helpers/pydev/_pydevd_bundle/pydevd_vars.py
+++ b/python/helpers/pydev/_pydevd_bundle/pydevd_vars.py
@@ -642,7 +642,7 @@ def dataframe_to_xml(df, name, roffset, coffset, rows, cols, format):
             except AttributeError:
                 try:
                     kind = df.dtypes[0].kind
-                except IndexError:
+                except (IndexError, KeyError):
                     kind = 'O'
             format = array_default_format(kind)
         else: