diff --git a/src/Makefile b/src/Makefile
index d819bf95..524de3c7 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -136,7 +136,7 @@ dependencies:
 	cd ../deps/linenoise && $(MAKE) ARCH="$(ARCH)"
 
 ../deps/jemalloc/lib/libjemalloc.a:
-	cd ../deps/jemalloc && ./configure --with-jemalloc-prefix=je_ --enable-cc-silence && $(MAKE) lib/libjemalloc.a
+	cd ../deps/jemalloc && ./configure $(JEMALLOC_CFLAGS) --with-jemalloc-prefix=je_ --enable-cc-silence && $(MAKE) lib/libjemalloc.a
 
 redis-benchmark.o:
 	$(CC) -c $(CFLAGS) -I../deps/hiredis $(DEBUG) $(COMPILE_TIME) $<
@@ -190,7 +190,7 @@ log:
 	@echo ""
 	@echo "WARNING: if it fails under Linux you probably need to install libc6-dev-i386"
 	@echo ""
-	$(MAKE) ARCH="-m32"
+	$(MAKE) ARCH="-m32" JEMALLOC_CFLAGS='CFLAGS="-std=gnu99 -Wall -pipe -g3 -fvisibility=hidden -O3 -funroll-loops -m32"'
 
 gprof:
 	$(MAKE) PROF="-pg"