diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile
index 79a46b6735..fb88c13bc7 100644
--- a/pc-bios/s390-ccw/Makefile
+++ b/pc-bios/s390-ccw/Makefile
@@ -21,8 +21,10 @@ build-all: s390-ccw.img
 s390-ccw.elf: $(OBJECTS)
 	$(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),"BUILD","$(TARGET_DIR)$@")
 
+STRIP ?= strip
+
 s390-ccw.img: s390-ccw.elf
-	$(call quiet-command,strip --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@")
+	$(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@")
 
 $(OBJECTS): Makefile