diff --git a/modules/ml/src/data.cpp b/modules/ml/src/data.cpp
index b78b0d055..61aae4694 100644
--- a/modules/ml/src/data.cpp
+++ b/modules/ml/src/data.cpp
@@ -637,7 +637,7 @@ public:
         }
 
         //If there are responses in the csv file, save them. If not, responses matrix will contain just zeros
-        if (noutputvars != 0){ 
+        if (noutputvars != 0){
         Mat(nsamples, noutputvars, CV_32F, &allresponses[0]).copyTo(tempResponses);
         setData(tempSamples, ROW_SAMPLE, tempResponses, noArray(), noArray(),
                 noArray(), Mat(vtypes).clone(), tempMissing);