diff --git a/src/arff/arff.cpp b/src/arff/arff.cpp
index 49dc8ef..73c17c1 100644
--- a/src/arff/arff.cpp
+++ b/src/arff/arff.cpp
@@ -64,7 +64,7 @@ namespace ARFF {
         }
         std::string line;
         while (std::getline(dataFile, line)) {
-            if (line.size() == 1) { continue; }
+            if ((line.size() == 0) || (line.size() == 1)) { continue; }
             switch (line.at(0)) {
                 case '%':
                     // Comment line in data