diff --git a/src/pawns.cpp b/src/pawns.cpp
index ca4156da..50eb3aa3 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -131,7 +131,7 @@ namespace {
         if (support | phalanx)
         {
             int v =  Connected[r] * (2 + bool(phalanx) - opposed)
-                   + 17 * popcount(support);
+                   + 21 * popcount(support);
 
             score += make_score(v, v * (r - 2) / 4);
         }