diff --git a/bids_prov/afni/afni_parser.py b/bids_prov/afni/afni_parser.py
index d1ab9a7a6..b4692babd 100644
--- a/bids_prov/afni/afni_parser.py
+++ b/bids_prov/afni/afni_parser.py
@@ -454,7 +454,8 @@ def afni_to_bids_prov(filename: str, context_url=CONTEXT_URL, output_file=None,
     """
     commands_block = readlines(filename)
 
-    graph, agent_id = get_default_graph(label="AFNI", context_url=context_url, soft_ver=soft_ver)
+    graph, agent_id = get_default_graph(
+        soft_label="AFNI", context_url=context_url, soft_version=soft_ver)
     records, bloc_act = build_records(commands_block, agent_id, verbose=verbose)
 
     graph["Records"].update(records)
diff --git a/bids_prov/fsl/fsl_parser.py b/bids_prov/fsl/fsl_parser.py
index 29315854d..2aec75bc4 100644
--- a/bids_prov/fsl/fsl_parser.py
+++ b/bids_prov/fsl/fsl_parser.py
@@ -525,7 +525,7 @@ def fsl_to_bids_prov(filename: str, context_url=CONTEXT_URL, output_file=None,
                      soft_ver="xxx", indent=2, verbose=False) -> bool:  # TODO : add fsl version
 
     graph, agent_id = get_default_graph(
-        label="FSL", context_url=context_url, soft_ver=soft_ver)
+        soft_label="FSL", context_url=context_url, soft_version=soft_ver)
 
     lines = readlines(filename)
     records = build_records(lines, agent_id)
diff --git a/bids_prov/spm/spm_parser.py b/bids_prov/spm/spm_parser.py
index 7306192cb..8b75cd6c1 100644
--- a/bids_prov/spm/spm_parser.py
+++ b/bids_prov/spm/spm_parser.py
@@ -427,7 +427,8 @@ def spm_to_bids_prov(filename: str, context_url=CONTEXT_URL, output_file=None, s
         If true, nothing is written in memory because the existing file (if it exists) contains the same content.
     """
 
-    graph, agent_id = get_default_graph(label="SPM", context_url=context_url, soft_ver=spm_ver)
+    graph, agent_id = get_default_graph(
+        soft_label='SPM', context_url=context_url, soft_version=spm_ver)
     lines = readlines(filename)
     tasks = group_lines(lines)  # same as list(lines) to expand generator
     records = get_records(tasks, agent_id, verbose=verbose)