diff --git a/src/Compatibility/Microsoft.DotNet.ApiCompatibility/ErrorSuppression/SuppressionEngine.cs b/src/Compatibility/Microsoft.DotNet.ApiCompatibility/ErrorSuppression/SuppressionEngine.cs
index b92fb3662c33..36064e6abb88 100644
--- a/src/Compatibility/Microsoft.DotNet.ApiCompatibility/ErrorSuppression/SuppressionEngine.cs
+++ b/src/Compatibility/Microsoft.DotNet.ApiCompatibility/ErrorSuppression/SuppressionEngine.cs
@@ -68,13 +68,14 @@ public bool IsErrorSuppressed(Suppression error)
                 {
                     return true;
                 }
-                else
+                else if (error.DiagnosticId == null || error.DiagnosticId.StartsWith("cp", StringComparison.InvariantCultureIgnoreCase))
                 {
-                    // See if the error is globally suppressed by checking if the same diagnosticid and target are entered
-                    // without any left and right.
-                    return (error.DiagnosticId == null || error.DiagnosticId.StartsWith("cp", StringComparison.InvariantCultureIgnoreCase)) &&
-                            _validationSuppressions.Contains(new Suppression { DiagnosticId = error.DiagnosticId, Target = error.Target });
+                    // See if the error is globally suppressed by checking if the same diagnosticid and target or with the same left and right
+                    return _validationSuppressions.Contains(new Suppression { DiagnosticId = error.DiagnosticId, Target = error.Target, IsBaselineSuppression = error.IsBaselineSuppression}) ||
+                           _validationSuppressions.Contains(new Suppression { DiagnosticId = error.DiagnosticId, Left = error.Left, Right = error.Right, IsBaselineSuppression = error.IsBaselineSuppression });
                 }
+
+                return false;
             }
             finally
             {
diff --git a/src/Tests/Microsoft.DotNet.ApiCompatibility.Tests/SuppressionTests/SuppressionEngineTests.cs b/src/Tests/Microsoft.DotNet.ApiCompatibility.Tests/SuppressionTests/SuppressionEngineTests.cs
index 5f22089ba7d5..6ffcedc3b7bd 100644
--- a/src/Tests/Microsoft.DotNet.ApiCompatibility.Tests/SuppressionTests/SuppressionEngineTests.cs
+++ b/src/Tests/Microsoft.DotNet.ApiCompatibility.Tests/SuppressionTests/SuppressionEngineTests.cs
@@ -84,11 +84,21 @@ public void SuppressionEngineSupportsGlobalCompare()
         {
             SuppressionEngine engine = SuppressionEngine.Create();
             // Engine has a suppression with no left and no right. This should be treated global for any left and any right.
-            engine.AddSuppression("CP0001", "T:A.B");
+            engine.AddSuppression("CP0001", "T:A.B", isBaselineSuppression: true);
+            engine.AddSuppression("CP0001", "T:A.C");
+            // Engine has a suppression with no target. Should be treated globally for any target with that left and right.
+            engine.AddSuppression("CP0003", null, left: "ref/net6.0/myleft.dll", right: "lib/net6.0/myright.dll", isBaselineSuppression: false);
 
-            Assert.True(engine.IsErrorSuppressed("CP0001", "T:A.B", "ref/net6.0/myLib.dll", "lib/net6.0/myLib.dll"));
-            Assert.True(engine.IsErrorSuppressed("CP0001", "T:A.B", "ref/net6.0/myLib.dll", "lib/net6.0/myLib.dll", false));
-            Assert.True(engine.IsErrorSuppressed("CP0001", "T:A.B", "ref/net6.0/myLib.dll", "lib/net6.0/myLib.dll", true));
+            Assert.True(engine.IsErrorSuppressed("CP0001", "T:A.B", "ref/net6.0/myLib.dll", "lib/net6.0/myLib.dll", isBaselineSuppression: true));
+            Assert.False(engine.IsErrorSuppressed("CP0001", "T:A.B", "ref/net6.0/myLib.dll", "lib/net6.0/myLib.dll", isBaselineSuppression: false));
+
+            Assert.True(engine.IsErrorSuppressed("CP0001", "T:A.C", "ref/net6.0/myLib.dll", "lib/net6.0/myLib.dll", isBaselineSuppression: false));
+            Assert.False(engine.IsErrorSuppressed("CP0001", "T:A.C", "ref/net6.0/myLib.dll", "lib/net6.0/myLib.dll", isBaselineSuppression: true));
+
+            Assert.True(engine.IsErrorSuppressed("CP0003", "T:A.B", "ref/net6.0/myLeft.dll", "lib/net6.0/myRight.dll"));
+            Assert.True(engine.IsErrorSuppressed("CP0003", "T:A.C", "ref/net6.0/myLeft.dll", "lib/net6.0/myRight.dll"));
+            Assert.True(engine.IsErrorSuppressed("CP0003", "T:A.D", "ref/net6.0/myLeft.dll", "lib/net6.0/myRight.dll"));
+            Assert.False(engine.IsErrorSuppressed("CP0003", "T:A.D", "ref/net6.0/myLeft.dll", "lib/net6.0/myRight.dll", isBaselineSuppression: true));
         }
 
         [Fact]