diff --git a/Src/IACore/inc/IACore/PCH.hpp b/Src/IACore/inc/IACore/PCH.hpp
index c3bc514..3002961 100644
--- a/Src/IACore/inc/IACore/PCH.hpp
+++ b/Src/IACore/inc/IACore/PCH.hpp
@@ -270,6 +270,15 @@
 
 #define IA_UNREACHABLE(msg) IA_RELEASE_ASSERT_MSG(FALSE, "Unreachable code: " msg)
 
+#define IA_TRY_PURE(expr)                                                                                              \
+    {                                                                                                                  \
+        auto _ia_res = (expr);                                                                                         \
+        if (!_ia_res)                                                                                                  \
+        {                                                                                                              \
+            return tl::make_unexpected(std::move(_ia_res.error()));                                                    \
+        }                                                                                                              \
+    }
+
 #define IA_TRY(expr)                                                                                                   \
     __extension__({                                                                                                    \
         auto _ia_res = (expr);                                                                                         \