diff --git a/src/services/mpiwrap/Wrapper.w b/src/services/mpiwrap/Wrapper.w
index c3c16486..6d0b1a4c 100644
--- a/src/services/mpiwrap/Wrapper.w
+++ b/src/services/mpiwrap/Wrapper.w
@@ -24,6 +24,7 @@
 
 #if defined(__GNUC__)
 #    pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#    pragma GCC diagnostic ignored "-Wunused-variable"
 #endif
 
 namespace cali