diff --git a/src/dereko2vec.c b/src/dereko2vec.c
index 9578f1b..48b4480 100644
--- a/src/dereko2vec.c
+++ b/src/dereko2vec.c
@@ -1411,7 +1411,7 @@
 					for (c = 0; c < layer1_size; c++)
 						neu1e[c] = 0;
 					// HIERARCHICAL SOFTMAX
-					if (hs)
+					if (hs) {
 						for (d = 0; d < vocab[word].codelen; d++) {
 							f = 0;
 							l2 = vocab[word].point[d] * window_layer_size;
@@ -1440,8 +1440,9 @@
 								for (c = 0; c < layer1_size; c++)
 									capParam(syn1, c + l2 + window_offset);
 						}
+					}
 					// NEGATIVE SAMPLING
-					if (negative > 0)
+					if (negative > 0) {
 						for (d = 0; d < negative + 1; d++) {
 							if (d == 0) {
 								target = word;
@@ -1574,6 +1575,7 @@
 									capParam(syn1nce_window,
 											c + l2 + window_offset);
 						}
+					}
 					// Learn weights input -> hidden
 					for (c = 0; c < layer1_size; c++) {
 						syn0[c + l1] += neu1e[c];