diff --git a/pype/plugins/standalonepublisher/publish/extract_bg_for_compositing.py b/pype/plugins/standalonepublisher/publish/extract_bg_for_compositing.py
index 064c226ff7..db64a408e9 100644
--- a/pype/plugins/standalonepublisher/publish/extract_bg_for_compositing.py
+++ b/pype/plugins/standalonepublisher/publish/extract_bg_for_compositing.py
@@ -52,7 +52,11 @@ class ExtractBGForComp(pype.api.Extractor):
 
         for repre in tuple(repres):
             # Skip all files without .psd extension
-            if repre["ext"] != ".psd":
+            repre_ext = repre["ext"].lower()
+            if repre_ext.startswith("."):
+                repre_ext = repre_ext[1:]
+
+            if repre_ext != "psd":
                 continue
 
             # Prepare publish dir for transfers
diff --git a/pype/plugins/standalonepublisher/publish/extract_bg_main_groups.py b/pype/plugins/standalonepublisher/publish/extract_bg_main_groups.py
index 04511ff723..e18baf378e 100644
--- a/pype/plugins/standalonepublisher/publish/extract_bg_main_groups.py
+++ b/pype/plugins/standalonepublisher/publish/extract_bg_main_groups.py
@@ -61,7 +61,11 @@ class ExtractBGMainGroups(pype.api.Extractor):
 
         for repre in tuple(repres):
             # Skip all files without .psd extension
-            if repre["ext"] != ".psd":
+            repre_ext = repre["ext"].lower()
+            if repre_ext.startswith("."):
+                repre_ext = repre_ext[1:]
+
+            if repre_ext != "psd":
                 continue
 
             # Prepare json filepath where extracted metadata are stored
diff --git a/pype/plugins/standalonepublisher/publish/extract_images_from_psd.py b/pype/plugins/standalonepublisher/publish/extract_images_from_psd.py
index 5a2109478c..3cffaf17d9 100644
--- a/pype/plugins/standalonepublisher/publish/extract_images_from_psd.py
+++ b/pype/plugins/standalonepublisher/publish/extract_images_from_psd.py
@@ -46,7 +46,11 @@ class ExtractImagesFromPSD(pype.api.Extractor):
 
         for repre in tuple(repres):
             # Skip all files without .psd extension
-            if repre["ext"] != ".psd":
+            repre_ext = repre["ext"].lower()
+            if repre_ext.startswith("."):
+                repre_ext = repre_ext[1:]
+
+            if repre_ext != "psd":
                 continue
 
             # TODO add check of list of "files" value