diff --git a/DeDRM_plugin/ineptpdf.py b/DeDRM_plugin/ineptpdf.py
index 15ea7fc..100dff7 100755
--- a/DeDRM_plugin/ineptpdf.py
+++ b/DeDRM_plugin/ineptpdf.py
@@ -2042,7 +2042,7 @@ class PDFParser(PSStackParser):
         except PDFNoValidXRef:
             # fallback
             self.seek(0)
-            pat = re.compile(rb'^(\\d+)\\s+(\\d+)\\s+obj\\b')
+            pat = re.compile(br'^(\\d+)\\s+(\\d+)\\s+obj\\b')
             offsets = {}
             xref = PDFXRef()
             while 1:
diff --git a/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_fileopen.pyw b/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_fileopen.pyw
index 5e647e1..f4f641d 100644
--- a/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_fileopen.pyw
+++ b/Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_fileopen.pyw
@@ -2643,7 +2643,7 @@ class PDFParser(PSStackParser):
         except PDFNoValidXRef:
             # fallback
             self.seek(0)
-            pat = re.compile(rb'^(\d+)\s+(\d+)\s+obj\b')
+            pat = re.compile(br'^(\\d+)\\s+(\\d+)\\s+obj\\b')
             offsets = {}
             xref = PDFXRef()
             while 1: