diff --git a/src/JsonWebToken/Cryptography/Pkcs1.cs b/src/JsonWebToken/Cryptography/Pkcs1.cs
index eb94b572..ce924fc3 100644
--- a/src/JsonWebToken/Cryptography/Pkcs1.cs
+++ b/src/JsonWebToken/Cryptography/Pkcs1.cs
@@ -14,7 +14,7 @@ internal static class Pkcs1
 #if NET6_0
         public static ReadOnlySpan<char> PrivateECKeyPrefix => "-----BEGIN EC PRIVATE KEY-----".AsSpan();
 #else
-        public static ReadOnlySpan<char> PrivateECKeyPrefix => { '-', '-', '-', '-', '-', 'B', 'E', 'G', 'I', 'N', ' ', 'E', 'C', ' ', 'P', 'R', 'I', 'V', 'A', 'T', 'E', ' ', 'K', 'E', 'Y', '-', '-', '-', '-', '-' };;
+        public static ReadOnlySpan<char> PrivateECKeyPrefix => new[] { '-', '-', '-', '-', '-', 'B', 'E', 'G', 'I', 'N', ' ', 'E', 'C', ' ', 'P', 'R', 'I', 'V', 'A', 'T', 'E', ' ', 'K', 'E', 'Y', '-', '-', '-', '-', '-' };
 #endif
 
         public static ReadOnlySpan<char> PrivateECKeySuffix => new[] { '-', '-', '-', '-', '-', 'E', 'N', 'D', ' ', 'E', 'C', ' ', 'P', 'R', 'I', 'V', 'A', 'T', 'E', ' ', 'K', 'E', 'Y', '-', '-', '-', '-', '-' };