diff --git a/src/mad_dynmap.cpp b/src/mad_dynmap.cpp
index c2e0b1123..1528a2953 100644
--- a/src/mad_dynmap.cpp
+++ b/src/mad_dynmap.cpp
@@ -1114,7 +1114,7 @@ inline void rfcav_kickn (cflw<M> &m, num_t lw, int is)
       bx  = p.y*by + p.x*bx;
       by  = byt;
 
-      p.pt -= wchg*w*by*sa;
+      p.pt -= wchg/m.pc*w*by*sa;
     }
   }
   mdump(1);
diff --git a/src/madl_dynmap.mad b/src/madl_dynmap.mad
index c76aa51af..865148731 100644
--- a/src/madl_dynmap.mad
+++ b/src/madl_dynmap.mad
@@ -1369,7 +1369,7 @@ function M.rfcav_kickn (elm, m, lw, istp) -- [KICKCAV, nmul~=0 or nbsl~=0]   --
       bx  = y*by + x*bx
       by  = byt
 
-      pt = pt - bdir*omega*by*sa
+      pt = pt - bdir*_pc*omega*by*sa
     end
 
     m[i].px = px