diff --git a/src/getSensor.cpp b/src/getSensor.cpp
index b92068d..b74f34c 100644
--- a/src/getSensor.cpp
+++ b/src/getSensor.cpp
@@ -129,7 +129,7 @@ float getSignalDensityAlongAxis(unsigned layerNum, Coord loc, Dir dir)
         if (tloc != loc) {
             Coord offset = tloc - loc;
             double proj = (dirVecX * offset.x + dirVecY * offset.y); // Magnitude of projection along dir
-            double contrib = (proj * signals.getMagnitude(layerNum, loc)) /
+            double contrib = (proj * signals.getMagnitude(layerNum, tloc)) /
                     (offset.x * offset.x + offset.y * offset.y);
             sum += contrib;
         }
diff --git a/tests/configs/testapp.ini b/tests/configs/testapp.ini
index d234092..370b62a 100644
--- a/tests/configs/testapp.ini
+++ b/tests/configs/testapp.ini
@@ -86,10 +86,10 @@ param-displaysamplegenomes = 1
 param-genomeanalysisstride = 1000
 param-deterministic = true
 result-generations = 1000
-result-survivors-min = 280
-result-survivors-max = 280
-result-diversity-min = 0.056
-result-diversity-max = 0.057
+result-survivors-min = 251
+result-survivors-max = 251
+result-diversity-min = 0.080
+result-diversity-max = 0.081
 result-genomesize = 8
 result-kills = 0