diff --git a/onnxmltools/convert/sparkml/utils.py b/onnxmltools/convert/sparkml/utils.py
index 58ccee36..c64986bb 100644
--- a/onnxmltools/convert/sparkml/utils.py
+++ b/onnxmltools/convert/sparkml/utils.py
@@ -14,16 +14,16 @@ def buildInitialTypesSimple(dataframe):
 
 
 def getTensorTypeFromSpark(sparktype):
-    if sparktype == 'StringType':
+    if sparktype == 'StringType' or sparktype == 'StringType()':
         return StringTensorType([1, 1])
-    elif sparktype == 'DecimalType' \
-            or sparktype == 'DoubleType' \
-            or sparktype == 'FloatType' \
-            or sparktype == 'LongType' \
-            or sparktype == 'IntegerType' \
-            or sparktype == 'ShortType' \
-            or sparktype == 'ByteType' \
-            or sparktype == 'BooleanType':
+    elif sparktype == 'DecimalType' or sparktype == 'DecimalType()' \
+            or sparktype == 'DoubleType' or sparktype == 'DoubleType()' \
+            or sparktype == 'FloatType' or sparktype == 'FloatType()' \
+            or sparktype == 'LongType' or sparktype == 'LongType()' \
+            or sparktype == 'IntegerType' or sparktype == 'IntegerType()' \
+            or sparktype == 'ShortType' or sparktype == 'ShortType()' \
+            or sparktype == 'ByteType' or sparktype == 'ByteType()' \
+            or sparktype == 'BooleanType' or sparktype == 'BooleanType()':
         return FloatTensorType([1, 1])
     else:
         raise TypeError("Cannot map this type to Onnx types: " + sparktype)