diff --git a/qsirecon/data/reports-spec-dwi.yml b/qsirecon/data/reports-spec-dwi.yml
index 13330904..e67e1bc1 100644
--- a/qsirecon/data/reports-spec-dwi.yml
+++ b/qsirecon/data/reports-spec-dwi.yml
@@ -53,7 +53,7 @@ sections:
 - name: AMICO
   ordering: session,task,acquisition,ceagent,reconstruction,direction,run,echo
   reportlets:
-  - bids: {datatype: figures, desc: NODDI, suffix: peaks}
+  - bids: {datatype: figures, desc: NODDI, suffix: peaks, extension: png}
     subtitle: NODDI
     caption: Directionally color-coded ODF peaks overlaid on the b=0 reference image.
 
diff --git a/qsirecon/data/reports-spec.yml b/qsirecon/data/reports-spec.yml
index 2a05314c..4b8808da 100644
--- a/qsirecon/data/reports-spec.yml
+++ b/qsirecon/data/reports-spec.yml
@@ -70,7 +70,7 @@ sections:
 - name: AMICO
   ordering: session,task,acquisition,ceagent,reconstruction,direction,run,echo
   reportlets:
-  - bids: {datatype: figures, desc: NODDI, suffix: peaks}
+  - bids: {datatype: figures, desc: NODDI, suffix: peaks, extension: png}
     subtitle: NODDI
     caption: Directionally color-coded ODF peaks overlaid on the b=0 reference image.