1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c
index 870e826460..3ebd559119 100644
--- a/src/mesa/shader/prog_parameter.c
+++ b/src/mesa/shader/prog_parameter.c
@@ -131,6 +131,10 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
             COPY_4V(paramList->ParameterValues[oldNum + i], values);
             values += 4;
          }
+         else {
+            /* silence valgrind */
+            ASSIGN_4V(paramList->ParameterValues[oldNum + i], 0, 0, 0, 0);
+         }
          size -= 4;
       }