diff --git a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP04/iodef.xml b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP04/iodef.xml
index d0987f1..b97fb4f 100644
--- a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP04/iodef.xml
+++ b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP04/iodef.xml
@@ -112,7 +112,7 @@
           <field field_ref="K5_s_pb_flux" operation="average" />
           <field field_ref="G2_o_pb_flux" operation="average" />
           <field field_ref="bL2_bremin" operation="average" />
-          <field field_ref="net_PelBen_POC_result" unit="mg/m^3/d" operation="average" />
+          <field field_ref="net_PelBen_POC_result" unit="mg/m^2/d" operation="average" />
           <field field_ref="e3t"      operation="average" />
           <field field_ref="light_xEPS" operation="average" />
           <field field_ref="O3_wind" operation="average" />
diff --git a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP05/iodef.xml b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP05/iodef.xml
index 69c02ef..4015233 100644
--- a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP05/iodef.xml
+++ b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP05/iodef.xml
@@ -107,7 +107,7 @@
           <field field_ref="K5_s_pb_flux" operation="average" />
           <field field_ref="G2_o_pb_flux" operation="average" />
           <field field_ref="bL2_bremin" operation="average" />
-          <field field_ref="net_PelBen_POC_result" unit="mg/m^3/d" operation="average" />
+          <field field_ref="net_PelBen_POC_result" unit="mg/m^2/d" operation="average" />
           <field field_ref="e3t"      operation="average" />
           <field field_ref="light_xEPS" operation="average" />
           <field field_ref="O3_wind" operation="average" />
diff --git a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP06/iodef.xml b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP06/iodef.xml
index 69c02ef..4015233 100644
--- a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP06/iodef.xml
+++ b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP06/iodef.xml
@@ -107,7 +107,7 @@
           <field field_ref="K5_s_pb_flux" operation="average" />
           <field field_ref="G2_o_pb_flux" operation="average" />
           <field field_ref="bL2_bremin" operation="average" />
-          <field field_ref="net_PelBen_POC_result" unit="mg/m^3/d" operation="average" />
+          <field field_ref="net_PelBen_POC_result" unit="mg/m^2/d" operation="average" />
           <field field_ref="e3t"      operation="average" />
           <field field_ref="light_xEPS" operation="average" />
           <field field_ref="O3_wind" operation="average" />
diff --git a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP2020/iodef.xml b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP2020/iodef.xml
index 69c02ef..4015233 100644
--- a/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP2020/iodef.xml
+++ b/NEMOGCM/CONFIG/AMM7_FABM_ERSEM/EXP2020/iodef.xml
@@ -107,7 +107,7 @@
           <field field_ref="K5_s_pb_flux" operation="average" />
           <field field_ref="G2_o_pb_flux" operation="average" />
           <field field_ref="bL2_bremin" operation="average" />
-          <field field_ref="net_PelBen_POC_result" unit="mg/m^3/d" operation="average" />
+          <field field_ref="net_PelBen_POC_result" unit="mg/m^2/d" operation="average" />
           <field field_ref="e3t"      operation="average" />
           <field field_ref="light_xEPS" operation="average" />
           <field field_ref="O3_wind" operation="average" />