diff --git a/include/image.mk b/include/image.mk
index a7473abe6..2aae30a66 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -229,7 +229,7 @@ define Image/mkfs/squashfs-common
 	$(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 		-nopad -noappend -root-owned \
 		-comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
-		-processors 1
+		-processors $(shell nproc)
 endef
 
 ifeq ($(CONFIG_TARGET_ROOTFS_SECURITY_LABELS),y)