diff --git a/src/modules/moduleInject.f90 b/src/modules/moduleInject.f90
index 5e72835..2a2c393 100644
--- a/src/modules/moduleInject.f90
+++ b/src/modules/moduleInject.f90
@@ -385,6 +385,13 @@ MODULE moduleInject
                                                    self%v(2)%obj%randomVel(), &
                                                    self%v(3)%obj%randomVel() /)
 
+          !If injecting a no-drift distribution and velocity is negative, reflect
+          if ((self%vMod == 0.D0) .and. &
+              (dot_product(direction, partInj(n)%v) < 0.D0)) then
+            partInj(n)%v = - partInj(n)%v
+
+          end if
+
           !Obtain natural coordinates of particle in cell
           partInj(n)%Xi = mesh%cells(partInj(n)%cell)%obj%phy2log(partInj(n)%r)
           !Push new particle with the minimum time step