diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 1cd31583..f09e1e45 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -483,6 +483,9 @@ def df_resample(datadf):
 def clean_df_stats(datadf, workstrokesonly=True, ignorehr=True,
                    ignoreadvanced=False):
     # clean data remove zeros and negative values
+    before = len(datadf)
+
+    data_orig = datadf.copy()
 
     # bring metrics which have negative values to positive domain
     if len(datadf)==0:
@@ -706,6 +709,12 @@ def clean_df_stats(datadf, workstrokesonly=True, ignorehr=True,
         except:
             pass
 
+    after = len(datadf.dropna())
+    ratio = float(after)/float(before)
+
+    if ratio < 0.001 or after < 2:
+        return data_orig
+
     return datadf
 
 def getstatsfields():
diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 5dcc988f..cf25d769 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -3715,6 +3715,7 @@ def interactive_flex_chart2(id=0,promember=0,
     rowdata = dataprep.getsmallrowdata_db(columns,ids=[id],doclean=True,
                                           workstrokesonly=workstrokesonly)
 
+
     if len(rowdata)<2:
         rowdata = dataprep.getsmallrowdata_db(columns,ids=[id],doclean=True,
                                               workstrokesonly=False)