diff --git a/src/regps/app/api/digest_verifier.py b/src/regps/app/api/digest_verifier.py
index a3e0a8c..03b7195 100644
--- a/src/regps/app/api/digest_verifier.py
+++ b/src/regps/app/api/digest_verifier.py
@@ -4,7 +4,7 @@
 
 def get_non_prefixed_digest(dig):
     try:
-        prefix, digest = dig.split("_", 1)
+        prefix, digest = dig.split("-", 1)
     except ValueError:
         raise DigestVerificationFailedException(
             f"Digest ({dig}) must start with prefix", 400
diff --git a/tests/unit/test_reports_db.py b/tests/unit/test_reports_db.py
index 238f41d..dd55f27 100644
--- a/tests/unit/test_reports_db.py
+++ b/tests/unit/test_reports_db.py
@@ -5,9 +5,9 @@ def test_check_report_status_authorization():
     aid = "jnhh8f7h79nufb97hbw3fieBHJBgg7uhn"
     lei = "j9h7ufehhcWBUTDVWYH98h9bfyaebgGBFfsa3wFf"
     report_1 = "report 1"
-    dig_1 = "sha256_moiuhLFBf9afnHJDfaffg4ehgh"
+    dig_1 = "sha256-moiuhLFBf9afnHJDfaffg4ehgh"
     report_2 = "report 2"
-    dig_2 = "sha256_fer4grniuojnfaNHBBcaaUh89h"
+    dig_2 = "sha256-fer4grniuojnfaNHBBcaaUh89h"
     reports_db = ReportsDB()
     reports_db.register_aid(aid, lei)
     reports_db.add_report(aid, dig_1, report_1)
@@ -23,9 +23,9 @@ def test_check_report_status_authorization_2_aids_from_the_same_lei():
     aid_2 = "UNBOUb8dadh98hnansudHD0jndbuh8hnd"
     lei = "j9h7ufehhcWBUTDVWYH98h9bfyaebgGBFfsa3wFf"
     report_1 = "report 1"
-    dig_1 = "sha256_moiuhLFBf9afnHJDfaffg4ehgh"
+    dig_1 = "sha256-moiuhLFBf9afnHJDfaffg4ehgh"
     report_2 = "report 2"
-    dig_2 = "sha256_fer4grniuojnfaNHBBcaaUh89h"
+    dig_2 = "sha256-fer4grniuojnfaNHBBcaaUh89h"
     reports_db = ReportsDB()
     reports_db.register_aid(aid_1, lei)
     reports_db.register_aid(aid_2, lei)
@@ -47,9 +47,9 @@ def test_check_report_status_authorization_2_aids_from_different_lei():
     lei_1 = "j9h7ufehhcWBUTDVWYH98h9bfyaebgGBFfsa3wFf"
     lei_2 = "mOI8hbsah80hihSHFIHh8h3r8hf8h08hfaiffha0"
     report_1 = "report 1"
-    dig_1 = "sha256_moiuhLFBf9afnHJDfaffg4ehgh"
+    dig_1 = "sha256-moiuhLFBf9afnHJDfaffg4ehgh"
     report_2 = "report 2"
-    dig_2 = "sha256_fer4grniuojnfaNHBBcaaUh89h"
+    dig_2 = "sha256-fer4grniuojnfaNHBBcaaUh89h"
     reports_db = ReportsDB()
     reports_db.register_aid(aid_1, lei_1)
     reports_db.register_aid(aid_2, lei_2)
diff --git a/tests/unit/test_verifying.py b/tests/unit/test_verifying.py
index 2054268..1077a89 100644
--- a/tests/unit/test_verifying.py
+++ b/tests/unit/test_verifying.py
@@ -11,7 +11,7 @@
 def test_digest_verification():
     BASE_STR = "fefUBIUhdo9032bfHf0UNONF0kubni9HnF22L0KD2".encode()
     dig = sha256(BASE_STR).hexdigest()
-    dig = f"sha256_{dig}"
+    dig = f"sha256-{dig}"
     assert verify_digest(BASE_STR, dig) is True
 
 
@@ -19,7 +19,7 @@ def test_digest_verification_fail():
     BASE_STR = "fefUBIUhdo9032bfHf0UNONF0kubni9HnF22L0KD2".encode()
     WRONG_BASE_STR = "fefUBIUhdo9032bfHf0UNONF0kubni9HnF22L0KDT".encode()
     dig = sha256(BASE_STR).hexdigest()
-    dig = f"sha256_{dig}"
+    dig = f"sha256-{dig}"
     assert verify_digest(WRONG_BASE_STR, dig) is False