diff --git a/test/porousmediumflow/1p/implicit/test_1pfv_network1d3d.input b/test/porousmediumflow/1p/implicit/test_1pfv_network1d3d.input
index cf1817b21b0aa127d9df1fbf89ebbdb25ab9c223..82794e64267e0212253e19bae66f4ee814e5e0d4 100644
--- a/test/porousmediumflow/1p/implicit/test_1pfv_network1d3d.input
+++ b/test/porousmediumflow/1p/implicit/test_1pfv_network1d3d.input
@@ -7,5 +7,6 @@ File = ./grids/network1d3d.msh
 
 [Problem]
 Name = 1pfvnetwork1d3d
+EnableGravity = false
 LiquidDensity = 1050 # blood density
 LiquidKinematicViscosity = 4.0e-3 # blood viscosity