diff --git a/src/imagination/pco/pco_internal.h b/src/imagination/pco/pco_internal.h
index c68ff0ef561..4055efc5090 100644
--- a/src/imagination/pco/pco_internal.h
+++ b/src/imagination/pco/pco_internal.h
@@ -2499,6 +2499,36 @@ ref_src_map_valid(pco_ref ref, enum pco_io mapped_src, bool *needs_s124)
    return false;
 }
 
+static inline enum pco_srcsel pco_ref_srcsel(pco_ref ref)
+{
+   enum pco_io io = pco_ref_get_io(ref);
+
+   switch (io) {
+   case PCO_IO_S0:
+      return PCO_SRCSEL_S0;
+
+   case PCO_IO_S1:
+      return PCO_SRCSEL_S1;
+
+   case PCO_IO_S2:
+      return PCO_SRCSEL_S2;
+
+   case PCO_IO_S3:
+      return PCO_SRCSEL_S3;
+
+   case PCO_IO_S4:
+      return PCO_SRCSEL_S4;
+
+   case PCO_IO_S5:
+      return PCO_SRCSEL_S5;
+
+   default:
+      break;
+   }
+
+   UNREACHABLE("");
+}
+
 /**
  * \brief Returns whether none of the lower/upper sources in an instruction
  *        group are set.
diff --git a/src/imagination/pco/pco_map.py b/src/imagination/pco/pco_map.py
index 2eff31319a6..ff5b801541d 100644
--- a/src/imagination/pco/pco_map.py
+++ b/src/imagination/pco/pco_map.py
@@ -1135,7 +1135,7 @@ encode_map(O_LD,
          ('drc', ('pco_ref_get_drc', SRC(0))),
          ('burstlen', ('pco_ref_get_imm', SRC(1))),
 
-         ('srcseladd', 's0'),
+         ('srcseladd', ('pco_ref_srcsel', SRC(2))),
          ('cachemode_ld', OM_MCU_CACHE_MODE_LD)
       ])
    ],