diff --git a/mira/Main.cpp b/mira/Main.cpp
index 5505569f9..a1b097b93 100644
--- a/mira/Main.cpp
+++ b/mira/Main.cpp
@@ -128,18 +128,18 @@ int main(int argc, char** argv) {
 	bool useAverageWeightsForPruning;
 	po::options_description desc("Allowed options");
 	desc.add_options()("accumulate-most-violated-constraints", po::value<bool>(&accumulateMostViolatedConstraints)->default_value(false),"Accumulate most violated constraint per example")
-			("accumulate-weights", po::value<bool>(&accumulateWeights)->default_value(true), "Accumulate and average weights over all epochs")
+			("accumulate-weights", po::value<bool>(&accumulateWeights)->default_value(false), "Accumulate and average weights over all epochs")
 			("adapt-BP-factor", po::value<bool>(&adapt_BPfactor)->default_value(0), "Set factor to 1 when optimal translation length in reached")
 			("base-of-log", po::value<size_t>(&baseOfLog)->default_value(10), "Base for log-ing feature values")
 			("batch-size,b", po::value<size_t>(&batchSize)->default_value(1), "Size of batch that is send to optimiser for weight adjustments")
 			("BP-factor", po::value<float>(&BPfactor)->default_value(1.0), "Increase penalty for short translations")
 			("config,f", po::value<string>(&mosesConfigFile), "Moses ini file")
-			("control-updates", po::value<bool>(&controlUpdates)->default_value(false), "Ignore updates that increase number of violated constraints AND increase the error")
+			("control-updates", po::value<bool>(&controlUpdates)->default_value(true), "Ignore updates that increase number of violated constraints AND increase the error")
 			("decoder-settings", po::value<string>(&decoder_settings)->default_value(""), "Decoder settings for tuning runs")
 			("decr-learning-rate", po::value<float>(&decrease_learning_rate)->default_value(0),"Decrease learning rate by the given value after every epoch")
 			("decr-sentence-update", po::value<float>(&decrease_sentence_update)->default_value(0), "Decrease maximum weight update by the given value after every epoch")
 			("dev-bleu", po::value<bool>(&devBleu)->default_value(true), "Compute BLEU score of oracle translations of the whole tuning set")
-			("distinct-nbest", po::value<bool>(&distinctNbest)->default_value(false), "Use nbest list with distinct translations in inference step")
+			("distinct-nbest", po::value<bool>(&distinctNbest)->default_value(true), "Use nbest list with distinct translations in inference step")
 			("weight-dump-frequency", po::value<size_t>(&weightDumpFrequency)->default_value(1), "How often per epoch to dump weights, when using mpi")
 			("epochs,e", po::value<size_t>(&epochs)->default_value(5), "Number of epochs")
 			("help", po::value(&help)->zero_tokens()->default_value(false), "Print this help message and exit")