diff --git a/mo_snow.f90 b/mo_snow.f90
index 97fbed815344f0d11141474890163c08b2782e7f..814b2846e5d794eb5d1a7ca9268f556e44901c02 100644
--- a/mo_snow.f90
+++ b/mo_snow.f90
@@ -185,7 +185,7 @@ CONTAINS
        END IF
     END IF
 	
-    IF (dt*rho_l*(liquid_precip+solid_precip) + thick_snow) < 0.00001_wp THEN
+    IF ((dt*rho_l*(liquid_precip+solid_precip) + thick_snow) < 0.00001_wp) THEN
         m_snow = 0._wp
         thick_snow = 0._wp
         H_abs_snow = 0._wp