diff --git a/common/build-helper/rust.sh b/common/build-helper/rust.sh
index 460aad6a12e..22bfd980ba9 100644
--- a/common/build-helper/rust.sh
+++ b/common/build-helper/rust.sh
@@ -67,3 +67,6 @@ export RUSTONIG_SYSTEM_LIBONIG=1
 
 # libsqlite3-sys
 export LIBSQLITE3_SYS_USE_PKG_CONFIG=1
+
+# jemalloc-sys
+export JEMALLOC_SYS_WITH_LG_PAGE=16