diff --git a/regressions/ck_ring/validate/Makefile b/regressions/ck_ring/validate/Makefile
index 0b68fad..f849a56 100644
--- a/regressions/ck_ring/validate/Makefile
+++ b/regressions/ck_ring/validate/Makefile
@@ -2,7 +2,7 @@
 
 OBJECTS=ck_ring_spsc ck_ring_spmc ck_ring_spmc_template ck_ring_mpmc \
 	ck_ring_mpmc_template
-SIZE=16384
+SIZE=2048
 
 all: $(OBJECTS)