diff --git a/shaders/voronoi.fs b/shaders/voronoi.fs
index 9ffbd7d..33779f7 100644
--- a/shaders/voronoi.fs
+++ b/shaders/voronoi.fs
@@ -14,7 +14,7 @@ void main(void) {
     float dmin = distance(vsoTexCoord, coords[0]);
 
     int imin = 0;
-    for(int i = 1; i < nb_sites; i++) {
+    for(int i = 0; i < nb_sites; i++) {
         float d = distance(vsoTexCoord, coords[i]);
         if(d < dmin) {
             imin = i;