diff --git a/test/geo_parametrizedline.cpp b/test/geo_parametrizedline.cpp
index 427327cd7..58d8eb7f5 100644
--- a/test/geo_parametrizedline.cpp
+++ b/test/geo_parametrizedline.cpp
@@ -66,9 +66,9 @@ template<typename Scalar> void parametrizedline_alignment()
   typedef ParametrizedLine<Scalar,4,AutoAlign> Line4a;
   typedef ParametrizedLine<Scalar,4,DontAlign> Line4u;
 
-  EIGEN_ALIGN_DEFAULT Scalar array1[8];
-  EIGEN_ALIGN_DEFAULT Scalar array2[8];
-  EIGEN_ALIGN_DEFAULT Scalar array3[8+1];
+  EIGEN_ALIGN_DEFAULT Scalar array1[16];
+  EIGEN_ALIGN_DEFAULT Scalar array2[16];
+  EIGEN_ALIGN_DEFAULT Scalar array3[16+1];
   Scalar* array3u = array3+1;
 
   Line4a *p1 = ::new(reinterpret_cast<void*>(array1)) Line4a;