1 files changed, 3 insertions, 3 deletions
diff --git a/source/slang/slang-parameter-binding.cpp b/source/slang/slang-parameter-binding.cpp
index f9e2433cf..7d7cfeefe 100644
--- a/source/slang/slang-parameter-binding.cpp
+++ b/source/slang/slang-parameter-binding.cpp
@@ -946,11 +946,11 @@ static void addExplicitParameterBinding(
             }
             else
             {
-                getSink(context)->diagnose(paramA, diagnosticInfo,
+                bool written = getSink(context)->diagnose(paramA, diagnosticInfo,
                     getReflectionName(paramA),
                     getReflectionName(paramB));
-
-                getSink(context)->diagnose(paramB, Diagnostics::seeDeclarationOf, getReflectionName(paramB));
+                if (written)
+                    getSink(context)->diagnose(paramB, Diagnostics::seeDeclarationOf, getReflectionName(paramB));
             }
         }
     }