diff --git a/src/simulation/m_ibm.fpp b/src/simulation/m_ibm.fpp
index 5f865cffeb..d1f0e88cd4 100644
--- a/src/simulation/m_ibm.fpp
+++ b/src/simulation/m_ibm.fpp
@@ -201,6 +201,7 @@ contains
                 k = gp%loc(2)
                 l = gp%loc(3)
                 patch_id = ghost_points(i)%ib_patch_id
+                call s_decode_patch_periodicity(patch_id, patch_id)
 
                 ! Calculate physical location of GP
                 if (p > 0) then