diff --git a/src/hydro/AnarchyDU/hydro_io.h b/src/hydro/AnarchyDU/hydro_io.h
index 03f10c1d54d449e95d724a4fb00b9e864c538992..d78d16c35bf4ebb561116e1a504d24b248104206 100644
--- a/src/hydro/AnarchyDU/hydro_io.h
+++ b/src/hydro/AnarchyDU/hydro_io.h
@@ -202,11 +202,11 @@ INLINE static void hydro_write_particles(const struct part* parts,
       xparts, convert_P, "Co-moving pressures of the particles");
 
   list[9] = io_make_output_field_convert_part(
-      "Viscosity", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
+      "ViscosityParameters", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
       convert_viscosity, "Visosity coefficient (alpha_visc) of the particles");
 
   list[10] = io_make_output_field_convert_part(
-      "Diffusion", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
+      "DiffusionParameters", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
       convert_diffusion, "Diffusion coefficient (alpha_diff) of the particles");
 }
 
diff --git a/src/hydro/AnarchyPU/hydro_io.h b/src/hydro/AnarchyPU/hydro_io.h
index 5258b966aeedce45a49a8e3630934f2ce23c205b..499ef5dc2d79f86f6f76c119b1b421260cf25cea 100644
--- a/src/hydro/AnarchyPU/hydro_io.h
+++ b/src/hydro/AnarchyPU/hydro_io.h
@@ -208,11 +208,11 @@ INLINE static void hydro_write_particles(const struct part* parts,
       convert_part_potential, "Gravitational potentials of the particles");
 
   list[10] = io_make_output_field_convert_part(
-      "Viscosity", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
+      "ViscosityParameters", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
       convert_viscosity, "Visosity coefficient (alpha_visc) of the particles");
 
   list[11] = io_make_output_field_convert_part(
-      "Diffusion", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
+      "DiffusionParameters", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
       convert_diffusion, "Diffusion coefficient (alpha_diff) of the particles");
 }
 
diff --git a/src/hydro/Default/hydro_io.h b/src/hydro/Default/hydro_io.h
index a6fb063564f4d6ec5b265736d5202211c35bbc6a..5d923837765c3d4759db37cd67badb40d75763f3 100644
--- a/src/hydro/Default/hydro_io.h
+++ b/src/hydro/Default/hydro_io.h
@@ -208,11 +208,11 @@ INLINE static void hydro_write_particles(const struct part* parts,
       "Co-moving gravitational potential at position of the particles");
 
   list[10] = io_make_output_field_convert_part(
-      "Viscosity", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
+      "ViscosityParameters", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
       convert_viscosity, "Visosity coefficient (alpha_visc) of the particles");
 
   list[11] = io_make_output_field_convert_part(
-      "Diffusion", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
+      "DiffusionParameters", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
       convert_diffusion, "Diffusion coefficient (alpha_diff) of the particles");
 }
 
diff --git a/src/hydro/PressureEnergyMorrisMonaghanAV/hydro_io.h b/src/hydro/PressureEnergyMorrisMonaghanAV/hydro_io.h
index 0a2eb7a28acd01a62658f4d5bc67d73d1770df36..d89dc36ad018f89114a8e80eb2abb663e211d762 100644
--- a/src/hydro/PressureEnergyMorrisMonaghanAV/hydro_io.h
+++ b/src/hydro/PressureEnergyMorrisMonaghanAV/hydro_io.h
@@ -200,7 +200,7 @@ INLINE static void hydro_write_particles(const struct part* parts,
       convert_part_potential, "Gravitational potentials of the particles");
 
   list[10] = io_make_output_field_convert_part(
-      "Viscosity", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
+      "ViscosityParameters", FLOAT, 1, UNIT_CONV_NO_UNITS, 0.f, parts, xparts,
       convert_viscosity, "Visosity coefficient (alpha_visc) of the particles");
 }