diff --git a/Source/RNG/AuRandomDevice.cpp b/Source/RNG/AuRandomDevice.cpp
index dec52c12..64ecfa33 100644
--- a/Source/RNG/AuRandomDevice.cpp
+++ b/Source/RNG/AuRandomDevice.cpp
@@ -172,7 +172,7 @@ namespace Aurora::RNG
         auto uMassiveWord = NextU32();
         auto uUpperBound = AuPageRoundUp<AuUInt32>(uRange, 2);
         AuUInt32 uNext {};
-        while ((uNext = (uMassiveWord & (uUpperBound - 1))) >= uRange)
+        while ((uNext = (uMassiveWord & (uUpperBound - 1))) > uRange)
         {
             uMassiveWord = NextU32();
         }
@@ -190,7 +190,7 @@ namespace Aurora::RNG
         auto uMassiveWord = NextU32();
         auto uUpperBound = AuPageRoundUp<AuUInt32>(uRange, 2);
         AuUInt32 uNext {};
-        while ((uNext = (uMassiveWord & (uUpperBound - 1))) >= uRange)
+        while ((uNext = (uMassiveWord & (uUpperBound - 1))) > uRange)
         {
             uMassiveWord = NextU32();
         }
diff --git a/Source/RNG/AuWELL.cpp b/Source/RNG/AuWELL.cpp
index e6824d0c..09866a90 100644
--- a/Source/RNG/AuWELL.cpp
+++ b/Source/RNG/AuWELL.cpp
@@ -49,21 +49,21 @@ static auline void WELL_SeedRand(WELLRand *rand, AuUInt32 seed)
 /**
  * Creates a new random number generator from a given seed.
  */
-WELLRand &&WELL_SeedRand(AuUInt32 seed)
+WELLRand WELL_SeedRand(AuUInt32 seed)
 {
     WELLRand rand {};
     WELL_SeedRand(&rand, seed);
     return AuMove(rand);
 }
 
-WELLRand &&WELL_SeedRand64(AuUInt64 seed)
+WELLRand WELL_SeedRand64(AuUInt64 seed)
 {
     WELLRand rand {};
     WELL_SeedRand64(&rand, seed);
     return AuMove(rand);
 }
 
-WELLRand &&WELL_SeedRandBig64(const AuArray<AuUInt8, 64> &seed)
+WELLRand WELL_SeedRandBig64(const AuArray<AuUInt8, 64> &seed)
 {
     WELLRand rand {};
     static_assert(64 == sizeof(rand.state));
diff --git a/Source/RNG/AuWELL.hpp b/Source/RNG/AuWELL.hpp
index e2698a9e..c9ea5d34 100644
--- a/Source/RNG/AuWELL.hpp
+++ b/Source/RNG/AuWELL.hpp
@@ -6,6 +6,14 @@ struct WELLRand
     int index {};
     AuFutexMutex lock;
 
+    inline WELLRand() = default;
+
+    inline WELLRand(WELLRand &&rand)
+    {
+        AuMemcpy(this->state, rand.state, sizeof(this->state));
+        this->index = rand.index;
+    }
+
     inline WELLRand &operator =(WELLRand &&rand)
     {
         AuMemcpy(this->state, rand.state, sizeof(this->state));
@@ -14,8 +22,8 @@ struct WELLRand
     }
 };
 
-WELLRand &&WELL_SeedRand(AuUInt32 seed);
-WELLRand &&WELL_SeedRandBig64(const AuArray<AuUInt8, 64> &seed);
-WELLRand &&WELL_SeedRand64(AuUInt64 seed);
+WELLRand WELL_SeedRand(AuUInt32 seed);
+WELLRand WELL_SeedRandBig64(const AuArray<AuUInt8, 64> &seed);
+WELLRand WELL_SeedRand64(AuUInt64 seed);
 AuUInt32 WELL_NextLong(WELLRand* rand);
 void WELL_NextBytes(WELLRand *rand, void *in, AuUInt32 length);
\ No newline at end of file