diff --git a/httpsig.py b/httpsig.py
index 7495ab1b0..8987f0f23 100644
--- a/httpsig.py
+++ b/httpsig.py
@@ -191,11 +191,17 @@ def verifyPostHeaders(httpPrefix: str,publicKeyPem: str,headers: dict, \
             #print('***************************Verify digest: SHA-256='+bodyDigest)
             #print('***************************Verify messageBodyJsonStr: '+messageBodyJsonStr)
         elif signedHeader == 'content-length' or signedHeader == 'Content-Length':
-            if int(headers[signedHeader])!=contentLength:
+            if headers.get(signedHeader):
+                if int(headers[signedHeader])!=contentLength:
+                    if debug:
+                        print('DEBUG: verifyPostHeaders content-length does not match '+headers[signedHeader]+' != '+str(contentLength))
+                    return False
                 if debug:
-                    print('DEBUG: verifyPostHeaders content-length does not match '+headers[signedHeader]+' != '+str(contentLength))
-                return False
-            signedHeaderList.append(f'content-length: {headers[signedHeader]}')
+                    print('DEBUG: verifyPostHeaders adding content-length to signedHeaderList')
+                signedHeaderList.append(f'content-length: {headers[signedHeader]}')
+            else:
+                if debug:
+                    print('DEBUG: verifyPostHeaders '+signedHeader+' not found in '+str(headers))
         else:
             if headers.get(signedHeader):
                 if signedHeader=='date':