diff --git a/devices/belkin-rt3200/default.nix b/devices/belkin-rt3200/default.nix
index 46ee22a..72a0b0d 100644
--- a/devices/belkin-rt3200/default.nix
+++ b/devices/belkin-rt3200/default.nix
@@ -181,7 +181,7 @@
         # image and DTB underneath, but maybe this is a terrible waste of
         # RAM unless the kernel is able to reuse it later. Oh well
         loadAddress = lim.parseInt "0x42000000";
-        entryPoint  = "0x42000000";
+        entryPoint = lim.parseInt "0x42000000";
         rootDevice = "ubi0:liminix";
         dts = {
           src = "${openwrt.src}/target/linux/mediatek/dts/mt7622-linksys-e8450-ubi.dts";
diff --git a/devices/gl-ar750/default.nix b/devices/gl-ar750/default.nix
index d8f9157..9418241 100644
--- a/devices/gl-ar750/default.nix
+++ b/devices/gl-ar750/default.nix
@@ -104,7 +104,7 @@
       hardware = {
         defaultOutput = "flashimage";
         loadAddress = lim.parseInt "0x80060000";
-        entryPoint  = "0x80060000";
+        entryPoint = lim.parseInt "0x80060000";
         flash = {
           address = "0x9F060000";
           size ="0xfa0000";
diff --git a/devices/gl-mt300a/default.nix b/devices/gl-mt300a/default.nix
index 684b15a..28ca20e 100644
--- a/devices/gl-mt300a/default.nix
+++ b/devices/gl-mt300a/default.nix
@@ -55,8 +55,8 @@
       imports = [ ../../modules/arch/mipsel.nix ];
       hardware = {
         defaultOutput = "flashimage";
-        loadAddress = lim.parseInt  "0x80000000";
-        entryPoint  = "0x80000000";
+        loadAddress = lim.parseInt "0x80000000";
+        entryPoint = lim.parseInt "0x80000000";
 
         # Creating 5 MTD partitions on "spi0.0":
         # 0x000000000000-0x000000030000 : "u-boot"
diff --git a/devices/gl-mt300n-v2/default.nix b/devices/gl-mt300n-v2/default.nix
index 45f6c58..e3d1774 100644
--- a/devices/gl-mt300n-v2/default.nix
+++ b/devices/gl-mt300n-v2/default.nix
@@ -63,7 +63,7 @@
       hardware = {
         defaultOutput = "flashimage";
         loadAddress = lim.parseInt "0x80000000";
-        entryPoint  = "0x80000000";
+        entryPoint = lim.parseInt "0x80000000";
 
         flash = {
           address = "0xbc050000";
diff --git a/devices/qemu-aarch64/default.nix b/devices/qemu-aarch64/default.nix
index e827173..cc7b07e 100644
--- a/devices/qemu-aarch64/default.nix
+++ b/devices/qemu-aarch64/default.nix
@@ -66,7 +66,7 @@
       in {
         defaultOutput = "vmroot";
         loadAddress = lim.parseInt "0x0";
-        entryPoint  = "0x0";
+        entryPoint = lim.parseInt "0x0";
         rootDevice = "/dev/mtdblock0";
 
         flash.eraseBlockSize = "65536"; # c.f. pkgs/mips-vm/mips-vm.sh
diff --git a/devices/qemu-armv7l/default.nix b/devices/qemu-armv7l/default.nix
index f603eb8..201d39e 100644
--- a/devices/qemu-armv7l/default.nix
+++ b/devices/qemu-armv7l/default.nix
@@ -68,7 +68,7 @@
       in {
         defaultOutput = "vmroot";
         loadAddress = lim.parseInt "0x00010000";
-        entryPoint  = "0x00010000";
+        entryPoint = lim.parseInt "0x00010000";
         rootDevice = "/dev/mtdblock0";
 
         flash.eraseBlockSize = "65536"; # c.f. pkgs/mips-vm/mips-vm.sh
diff --git a/modules/hardware.nix b/modules/hardware.nix
index 7c9dcd8..938df1a 100644
--- a/modules/hardware.nix
+++ b/modules/hardware.nix
@@ -60,7 +60,7 @@ in {
         };
       };
       loadAddress = mkOption { type = types.ints.unsigned; default = null; };
-      entryPoint = mkOption { };
+      entryPoint = mkOption { type = types.ints.unsigned; };
       radios = mkOption {
         description = ''
           Kernel modules (from mac80211 package) required for the
diff --git a/pkgs/kernel/uimage.nix b/pkgs/kernel/uimage.nix
index f2caeea..e096a91 100644
--- a/pkgs/kernel/uimage.nix
+++ b/pkgs/kernel/uimage.nix
@@ -46,7 +46,7 @@ in {
   buildPhaseUImage = ''
     test -f tmp.dtb && ${objcopy} --update-section .appended_dtb=tmp.dtb vmlinux.elf || ${objcopy} --add-section .appended_dtb=tmp.dtb vmlinux.elf
     ${stripAndZip}
-    mkimage -A ${arch} -O linux -T kernel -C lzma -a 0x${lib.toHexString loadAddress} -e ${entryPoint} -n '${lib.toUpper arch} Liminix Linux ${extraName}' -d vmlinux.bin.lzma kernel.uimage
+    mkimage -A ${arch} -O linux -T kernel -C lzma -a 0x${lib.toHexString loadAddress} -e 0x${lib.tohexString entryPoint} -n '${lib.toUpper arch} Liminix Linux ${extraName}' -d vmlinux.bin.lzma kernel.uimage
   '';
 
   buildPhaseFIT = ''
@@ -58,7 +58,7 @@ in {
             kernel {
                 data = /incbin/("./vmlinux.bin.lzma");
                 load = <0x${lib.toHexString loadAddress}>;
-                entry = <${entryPoint}>;
+                entry = <0x${lib.toHexString entryPoint}>;
                 arch = "${arch}";
                 compression = "lzma";
             };