diff --git a/src/main/c/src/math/ode/multigrid.c b/src/main/c/src/math/ode/multigrid.c
index d7c574d6..82859efb 100644
--- a/src/main/c/src/math/ode/multigrid.c
+++ b/src/main/c/src/math/ode/multigrid.c
@@ -384,6 +384,10 @@ void prolongate_serial(float * phi, int GRIDDIM, float * lowerPhi, int LOWERDIM)
  * Prolongates a lower grid into a higher grid
  */
 void prolongate_parallel(float * phi, int GRIDDIM, float * lowerPhi, int LOWERDIM){
+    if(LOWERDIM < 10){
+        prolongate_serial(phi,GRIDDIM,lowerPhi,LOWERDIM);
+        return;
+    }
     __m256i offsets = _mm256_set_epi32(0, 0, 1, 1, 2, 2, 3, 3);
     __m256 lowerPhiVec;
     __m256 phiVec;