diff --git a/gpcontrib/gp_stats_collector/Makefile b/gpcontrib/gp_stats_collector/Makefile
index a09609456b2..43255ca1955 100644
--- a/gpcontrib/gp_stats_collector/Makefile
+++ b/gpcontrib/gp_stats_collector/Makefile
@@ -10,7 +10,7 @@ C_OBJS   = $(patsubst %.c,%.o,$(wildcard src/*.c src/*/*.c))
 CPP_OBJS = $(patsubst %.cpp,%.o,$(wildcard src/*.cpp src/*/*.cpp))
 OBJS     = $(C_OBJS) $(CPP_OBJS) $(PROTO_OBJS)
 
-PG_CXXFLAGS += -Werror -Wall -std=c++17 -Isrc/protos -Isrc -Iinclude -DGPBUILD
+PG_CXXFLAGS += -Werror -Wall -Wno-unused-but-set-variable -std=c++17 -Isrc/protos -Isrc -Iinclude -DGPBUILD
 SHLIB_LINK += -lprotobuf -lstdc++
 EXTRA_CLEAN = src/protos