diff --git a/core/Makefile b/core/Makefile
index f9f0b4a2b9..1130e88a78 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -599,9 +599,9 @@ $(foreach kmd,$(BOARD_KERNEL_MODULE_DIRS), \
 ifeq ($(BOARD_SYSTEM_KERNEL_MODULES),)
 ifneq ($(BOARD_SYSTEM_DLKM_SRC),)
 ifneq ($(wildcard $(BOARD_SYSTEM_DLKM_SRC)/*),)
-  SYSTEM_KERNEL_MODULES := $(call find-files-in-subdirs,$(BOARD_SYSTEM_DLKM_SRC),*.ko,.)
-  SRC_SYSTEM_KERNEL_MODULES := $(patsubst %,$(BOARD_SYSTEM_DLKM_SRC)/%,$(SYSTEM_KERNEL_MODULES))
-  DST_SYSTEM_KERNEL_MODULES := $(patsubst %,:$(TARGET_OUT_SYSTEM_DLKM)/%,$(SYSTEM_KERNEL_MODULES))
+  SYSTEM_KERNEL_MODULES := $(shell find $(BOARD_SYSTEM_DLKM_SRC) -type f)
+  SRC_SYSTEM_KERNEL_MODULES := $(SYSTEM_KERNEL_MODULES)
+  DST_SYSTEM_KERNEL_MODULES := $(patsubst $(BOARD_SYSTEM_DLKM_SRC)/%,:$(TARGET_OUT_SYSTEM_DLKM)/%,$(SRC_SYSTEM_KERNEL_MODULES))
   SYSTEM_KERNEL_MODULE_COPY_PAIRS := $(join $(SRC_SYSTEM_KERNEL_MODULES),$(DST_SYSTEM_KERNEL_MODULES))
   ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(SYSTEM_KERNEL_MODULE_COPY_PAIRS))
 endif