diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d0890831d..0eea5faf42 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -161,8 +161,13 @@ else()
         WORKING_DIRECTORY ${jemalloc_targ_SOURCE_DIR}
         OUTPUT ${jemalloc_targ_SOURCE_DIR}/Makefile
         DEPENDS ${jemalloc_targ_SOURCE_DIR}/configure)
+
+    if(NOT UMF_QEMU_BUILD)
+        set(MAKE_ARGUMENTS "-j$(nproc)")
+    endif()
+
     add_custom_command(
-        COMMAND make
+        COMMAND make ${MAKE_ARGUMENTS}
         WORKING_DIRECTORY ${jemalloc_targ_SOURCE_DIR}
         OUTPUT ${jemalloc_targ_SOURCE_DIR}/lib/libjemalloc.a
         DEPENDS ${jemalloc_targ_SOURCE_DIR}/Makefile)
diff --git a/scripts/qemu/run-build.sh b/scripts/qemu/run-build.sh
index b0f4bee1e5..c6314153c6 100755
--- a/scripts/qemu/run-build.sh
+++ b/scripts/qemu/run-build.sh
@@ -21,6 +21,7 @@ cd build
 
 cmake .. \
     -DCMAKE_BUILD_TYPE=Debug \
+    -DUMF_QEMU_BUILD=1 \
     -DUMF_BUILD_LEVEL_ZERO_PROVIDER=ON \
     -DUMF_BUILD_CUDA_PROVIDER=ON \
     -DUMF_FORMAT_CODE_STYLE=OFF \