diff --git a/packages/tools/u-boot/package.mk b/packages/tools/u-boot/package.mk
index aab4b29f9b..2212817d01 100644
--- a/packages/tools/u-boot/package.mk
+++ b/packages/tools/u-boot/package.mk
@@ -44,9 +44,9 @@ make_target() {
     echo "UBOOT_SYSTEM must be set to build an image"
     echo "see './scripts/uboot_helper' for more information"
   else
-    CROSS_COMPILE="$TARGET_PREFIX" LDFLAGS="" ARCH=arm make mrproper
-    CROSS_COMPILE="$TARGET_PREFIX" LDFLAGS="" ARCH=arm make $($ROOT/$SCRIPTS/uboot_helper $PROJECT $DEVICE $UBOOT_SYSTEM config)
-    CROSS_COMPILE="$TARGET_PREFIX" LDFLAGS="" ARCH=arm make HOSTCC="$HOST_CC" HOSTSTRIP="true"
+    CROSS_COMPILE="$TARGET_KERNEL_PREFIX" LDFLAGS="" ARCH=arm make mrproper
+    CROSS_COMPILE="$TARGET_KERNEL_PREFIX" LDFLAGS="" ARCH=arm make $($ROOT/$SCRIPTS/uboot_helper $PROJECT $DEVICE $UBOOT_SYSTEM config)
+    CROSS_COMPILE="$TARGET_KERNEL_PREFIX" LDFLAGS="" ARCH=arm make HOSTCC="$HOST_CC" HOSTSTRIP="true"
   fi
 }