diff --git a/mcdc/iqmc/iqmc_loop.py b/mcdc/iqmc/iqmc_loop.py
index 54def89a..7aa2a0f4 100644
--- a/mcdc/iqmc/iqmc_loop.py
+++ b/mcdc/iqmc/iqmc_loop.py
@@ -4,6 +4,7 @@
 from numba import njit, objmode
 
 import mcdc.adapt as adapt
+import mcdc.geometry as geometry
 import mcdc.iqmc.iqmc_kernel as iqmc_kernel
 import mcdc.kernel as kernel
 import mcdc.local as local