diff --git a/src/libraries/Common/src/System/Security/Cryptography/RSAAndroid.cs b/src/libraries/Common/src/System/Security/Cryptography/RSAAndroid.cs
index afe27f535cd260..fcd2d846a265cb 100644
--- a/src/libraries/Common/src/System/Security/Cryptography/RSAAndroid.cs
+++ b/src/libraries/Common/src/System/Security/Cryptography/RSAAndroid.cs
@@ -743,7 +743,7 @@ private bool TrySignHash(
                 Debug.Assert(padding != null);
                 signature = null;
 
-                if (padding == RSASignaturePadding.Pkcs1 && padding == RSASignaturePadding.Pss)
+                if (padding != RSASignaturePadding.Pkcs1 && padding != RSASignaturePadding.Pss)
                 {
                     throw PaddingModeNotSupported();
                 }
@@ -825,7 +825,7 @@ public override bool VerifyHash(ReadOnlySpan<byte> hash, ReadOnlySpan<byte> sign
                 {
                     throw new ArgumentNullException(nameof(padding));
                 }
-                if (padding == RSASignaturePadding.Pkcs1 && padding == RSASignaturePadding.Pss)
+                if (padding != RSASignaturePadding.Pkcs1 && padding != RSASignaturePadding.Pss)
                 {
                     throw PaddingModeNotSupported();
                 }