diff --git a/Makefile.in b/Makefile.in
index 341d898fba4..eddeecc8484 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -105,7 +105,7 @@ ifdef CFG_UNIXY
     CFG_VALGRIND += --leak-check=full \
                     --error-exitcode=1 \
                     --quiet --vex-iropt-level=0 \
-                    --suppressions=etc/x86.supp
+                    --suppressions=$(S)src/etc/x86.supp
   endif
 endif