1 files changed, 4 insertions, 3 deletions
diff --git a/source/blender/blenkernel/intern/particle_distribute.c b/source/blender/blenkernel/intern/particle_distribute.c
index 0d7fe04a1e4..7830e4eb650 100644
--- a/source/blender/blenkernel/intern/particle_distribute.c
+++ b/source/blender/blenkernel/intern/particle_distribute.c
@@ -408,10 +408,10 @@ static int distribute_binary_search(float *sum, int n, float value)
 			return mid;
 		
 		if (sum[mid] > value) {
-			high = mid - 1;
+			high = mid;
 		}
 		else {
-			low = mid + 1;
+			low = mid;
 		}
 	}
 
@@ -1056,7 +1056,8 @@ static int psys_thread_context_init_distribute(ParticleThreadContext *ctx, Parti
 			const float pos = BLI_frand() * element_sum[totmapped - 1];
 			const int eidx = distribute_binary_search(element_sum, totmapped, pos);
 			particle_element[p] = element_map[eidx];
-			BLI_assert(pos <= element_sum[eidx] && pos > (eidx ? element_sum[eidx - 1] : 0.0f));
+			BLI_assert(pos <= element_sum[eidx]);
+			BLI_assert(eidx ? (pos > element_sum[eidx - 1]) : (pos >= 0.0f));
 			jitter_offset[particle_element[p]] = pos;
 		}
 	}