diff --git a/test_common/harness/imageHelpers.cpp b/test_common/harness/imageHelpers.cpp
index 369dbc1417..7fb3ee912f 100644
--- a/test_common/harness/imageHelpers.cpp
+++ b/test_common/harness/imageHelpers.cpp
@@ -801,6 +801,9 @@ void get_max_sizes(
     {
 
         size_t M = maximum_sizes[0];
+        size_t A = max_pixels;
+
+        M = static_cast<size_t>(fmin(A / M, M));
 
         // Store the size
         sizes[(*numberOfSizes)][0] = M;