1 files changed, 2 insertions, 2 deletions
diff --git a/source/slang/slang-check-decl.cpp b/source/slang/slang-check-decl.cpp
index 64db4cdc5..03d9f0d9e 100644
--- a/source/slang/slang-check-decl.cpp
+++ b/source/slang/slang-check-decl.cpp
@@ -1685,8 +1685,8 @@ namespace Slang
             if (!differentialType->equals(diffDiffType))
             {
                 SourceLoc sourceLoc = differentialType->getDeclRef().getDecl()->loc;
-                getSink()->diagnose(sourceLoc, Diagnostics::differentialTypeShouldServeAsItsOwnDifferentialType, differentialType);
-                getSink()->diagnose(inheritanceDecl, Diagnostics::noteSeeUseOfDifferentialType, differentialType, inheritanceDecl->getSup());
+                getSink()->diagnose(inheritanceDecl, Diagnostics::differentialTypeShouldServeAsItsOwnDifferentialType, differentialType, diffDiffType);
+                getSink()->diagnose(sourceLoc, Diagnostics::seeDefinitionOf, differentialType);
             }
         }
     };