diff --git a/NEWS.md b/NEWS.md
index ee6b09f..13b100d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,7 @@
 # systemfonts (development version)
 
+* Fix a bug in `shape_string()` using `vjust = 1` (#85)
+
 # systemfonts 1.0.4
 
 * Use Courier New as default mono font on macOS instead of Courier to avoid 
diff --git a/src/string_shape.cpp b/src/string_shape.cpp
index c84a1f7..6119f9c 100644
--- a/src/string_shape.cpp
+++ b/src/string_shape.cpp
@@ -249,7 +249,7 @@ bool FreetypeShaper::finish_string() {
       x_pos[i] += left_border;
     }
   }
-  if (cur_vjust != 1.0) {
+  if (cur_vjust != 0.0) {
     long just_height = top_border - pen_y;
     for (unsigned int i = 0; i < x_pos.size(); ++i) {
       y_pos[i] += - pen_y - cur_vjust * just_height;