diff --git a/earthdiagnostics/config.py b/earthdiagnostics/config.py
index cb21d9b6cdb82e3895638d1a47a34f9f9814a552..ae148a8cb59e90a01ba85b4d8915363de4011200 100644
--- a/earthdiagnostics/config.py
+++ b/earthdiagnostics/config.py
@@ -329,6 +329,12 @@ class CMORConfig(object):
         self.initialization_number = parser.get_int_option(
             "CMOR", "INITIALIZATION_NUMBER", 1
         )
+        self.physics_number = parser.get_int_option(
+            "CMOR", "PHYSICS_NUMBER", 1
+        )
+        self.forcing_number = parser.get_int_option(
+            "CMOR", "FORCING_NUMBER", 1
+        )
         self.physics_description = parser.get_option(
             "CMOR", "PHYSICS_DESCRIPTION", "to be filled"
         )
diff --git a/earthdiagnostics/data_convention.py b/earthdiagnostics/data_convention.py
index c6bb6aabd5d72be53211e50413242c45b17df097..7d2f47799e970eacdfecbfaa2f2b79111fd22bd8 100644
--- a/earthdiagnostics/data_convention.py
+++ b/earthdiagnostics/data_convention.py
@@ -985,10 +985,12 @@ class Cmor3Convention(DataConvention):
         str
 
         """
-        template = "r{0}i{1}p1f1"
+        template = "r{0}i{1}p{2}f{3}"
         return template.format(
             member + 1 - self.config.experiment.member_count_start,
             self.config.cmor.initialization_number,
+            self.config.cmor.physics_number,
+            self.config.cmor.forcing_number
         )
 
     def is_cmorized(self, startdate, member, chunk, domain):