diff --git a/obfuscator.hpp b/obfuscator.hpp
index b7dbbdc..83d2500 100644
--- a/obfuscator.hpp
+++ b/obfuscator.hpp
@@ -176,22 +176,22 @@ namespace obfs {
 
 
 namespace obfs {
+    using size_t = decltype(sizeof(void*));
+
     constexpr char TIME[] = __TIME__;
     constexpr int digit(char c) {
         return c - '0';
     }
-    constexpr int SEED = digit(TIME[7]) +
+    constexpr size_t SEED = digit(TIME[7]) +
                          digit(TIME[6]) * 10 +
                          digit(TIME[4]) * 60 +
                          digit(TIME[3]) * 600 +
                          digit(TIME[1]) * 3600 +
                          digit(TIME[0]) * 36000;
 
-    using size_t = decltype(sizeof(void*));
-
-    template <size_t Idx>
+    template <size_t Seed, size_t Idx>
     struct Xorshiftplus {
-        using prev = Xorshiftplus<Idx - 1>;
+        using prev = Xorshiftplus<Seed, Idx - 1>;
 
         constexpr static size_t update() {
             constexpr size_t x = prev::state0 ^ (prev::state0 << 23);
@@ -205,15 +205,15 @@ namespace obfs {
         constexpr static size_t value = state0 + state1;
     };
 
-    template <>
-    struct Xorshiftplus<0> {
-        constexpr static size_t state0 = static_cast<size_t>(SEED);
-        constexpr static size_t state1 = static_cast<size_t>(SEED << 1);
+    template <size_t Seed>
+    struct Xorshiftplus<Seed, 0> {
+        constexpr static size_t state0 = Seed;
+        constexpr static size_t state1 = Seed << 1;
         constexpr static size_t value = state0 + state1;
     };
 
     template <size_t Idx, size_t Mod>
-    constexpr size_t RAND_VAL = Xorshiftplus<Idx>::value % Mod;
+    constexpr size_t RAND_VAL = Xorshiftplus<SEED, Idx>::value % Mod;
 }
 
 
diff --git a/obfuscator/obfs/random.hpp b/obfuscator/obfs/random.hpp
index ba760de..f5b9ace 100644
--- a/obfuscator/obfs/random.hpp
+++ b/obfuscator/obfs/random.hpp
@@ -2,22 +2,22 @@
 #define COMPILE_TIME_RANDOM
 
 namespace obfs {
+    using size_t = decltype(sizeof(void*));
+
     constexpr char TIME[] = __TIME__;
     constexpr int digit(char c) {
         return c - '0';
     }
-    constexpr int SEED = digit(TIME[7]) +
+    constexpr size_t SEED = digit(TIME[7]) +
                          digit(TIME[6]) * 10 +
                          digit(TIME[4]) * 60 +
                          digit(TIME[3]) * 600 +
                          digit(TIME[1]) * 3600 +
                          digit(TIME[0]) * 36000;
 
-    using size_t = decltype(sizeof(void*));
-
-    template <size_t Idx>
+    template <size_t Seed, size_t Idx>
     struct Xorshiftplus {
-        using prev = Xorshiftplus<Idx - 1>;
+        using prev = Xorshiftplus<Seed, Idx - 1>;
 
         constexpr static size_t update() {
             constexpr size_t x = prev::state0 ^ (prev::state0 << 23);
@@ -31,15 +31,15 @@ namespace obfs {
         constexpr static size_t value = state0 + state1;
     };
 
-    template <>
-    struct Xorshiftplus<0> {
-        constexpr static size_t state0 = static_cast<size_t>(SEED);
-        constexpr static size_t state1 = static_cast<size_t>(SEED << 1);
+    template <size_t Seed>
+    struct Xorshiftplus<Seed, 0> {
+        constexpr static size_t state0 = Seed;
+        constexpr static size_t state1 = Seed << 1;
         constexpr static size_t value = state0 + state1;
     };
 
     template <size_t Idx, size_t Mod>
-    constexpr size_t RAND_VAL = Xorshiftplus<Idx>::value % Mod;
+    constexpr size_t RAND_VAL = Xorshiftplus<SEED, Idx>::value % Mod;
 }
 
 #define MAKE_RAND_VAL(MOD) RAND_VAL<__LINE__, MOD>