diff --git a/src/modules/moduleInject.f90 b/src/modules/moduleInject.f90
index 2b23ac6..52e26d3 100644
--- a/src/modules/moduleInject.f90
+++ b/src/modules/moduleInject.f90
@@ -292,6 +292,9 @@ MODULE moduleInject
           ! Adjust the weight of particles to match the new current
           self%weightPerEdge(e) = self%weightPerEdge(e) + 1.0d-1 * alpha
 
+          ! Limit the weight of a macroparticle to 1.0
+          self%weightPerEdge(e) = max(self%weightPerEdge(e), 1.d0)
+
         end do
 
       end select