diff --git a/Source/diablo.cpp b/Source/diablo.cpp
index f46584f87..26374d400 100644
--- a/Source/diablo.cpp
+++ b/Source/diablo.cpp
@@ -9,7 +9,7 @@ int gnLevelTypeTbl[NUMLEVELS];
 int MouseY;             // idb
 int MouseX;             // idb
 BOOL gbGameLoopStartup; // idb
-int glSeedTbl[NUMLEVELS];
+DWORD glSeedTbl[NUMLEVELS];
 BOOL gbRunGame;
 int glMid3Seed[NUMLEVELS];
 BOOL gbRunGameResult;
diff --git a/Source/diablo.h b/Source/diablo.h
index d1efb1049..145690577 100644
--- a/Source/diablo.h
+++ b/Source/diablo.h
@@ -90,7 +90,7 @@ extern int gnLevelTypeTbl[NUMLEVELS];
 extern int MouseY;             // idb
 extern int MouseX;             // idb
 extern BOOL gbGameLoopStartup; // idb
-extern int glSeedTbl[NUMLEVELS];
+extern DWORD glSeedTbl[NUMLEVELS];
 extern BOOL gbRunGame;
 extern int glMid3Seed[NUMLEVELS];
 extern BOOL gbRunGameResult;
diff --git a/Source/drlg_l1.cpp b/Source/drlg_l1.cpp
index 7298f3dd4..03705cc4d 100644
--- a/Source/drlg_l1.cpp
+++ b/Source/drlg_l1.cpp
@@ -371,7 +371,7 @@ void LoadPreL1Dungeon(char *sFileName, int vx, int vy)
 	mem_free_dbg(pLevelMap);
 }
 
-void CreateL5Dungeon(int rseed, int entry)
+void CreateL5Dungeon(DWORD rseed, int entry)
 {
 	SetRndSeed(rseed);
 
diff --git a/Source/drlg_l1.h b/Source/drlg_l1.h
index 0b8b6d786..ae9f38a61 100644
--- a/Source/drlg_l1.h
+++ b/Source/drlg_l1.h
@@ -19,7 +19,7 @@ void DRLG_L1Floor();
 void DRLG_L1Pass3();
 void DRLG_InitL1Vals();
 void LoadPreL1Dungeon(char *sFileName, int vx, int vy);
-void CreateL5Dungeon(int rseed, int entry);
+void CreateL5Dungeon(DWORD rseed, int entry);
 void DRLG_LoadL1SP();
 void DRLG_FreeL1SP();
 void DRLG_L5(int entry);
diff --git a/Source/drlg_l2.cpp b/Source/drlg_l2.cpp
index 6777ed5d6..f5d097280 100644
--- a/Source/drlg_l2.cpp
+++ b/Source/drlg_l2.cpp
@@ -551,7 +551,7 @@ void LoadPreL2Dungeon(char *sFileName, int vx, int vy)
 	mem_free_dbg(pLevelMap);
 }
 
-void CreateL2Dungeon(int rseed, int entry)
+void CreateL2Dungeon(DWORD rseed, int entry)
 {
 	if (gbMaxPlayers == 1) {
 		if (currlevel == 7 && !quests[8]._qactive) {
diff --git a/Source/drlg_l2.h b/Source/drlg_l2.h
index 657300547..82d34acdf 100644
--- a/Source/drlg_l2.h
+++ b/Source/drlg_l2.h
@@ -17,7 +17,7 @@ void L2DoorFix();
 void LoadL2Dungeon(char *sFileName, int vx, int vy);
 void DRLG_L2Pass3();
 void LoadPreL2Dungeon(char *sFileName, int vx, int vy);
-void CreateL2Dungeon(int rseed, int entry);
+void CreateL2Dungeon(DWORD rseed, int entry);
 void DRLG_LoadL2SP();
 void DRLG_FreeL2SP();
 void DRLG_L2(int entry);
diff --git a/Source/drlg_l3.cpp b/Source/drlg_l3.cpp
index fa72d7ff5..786e1e2c9 100644
--- a/Source/drlg_l3.cpp
+++ b/Source/drlg_l3.cpp
@@ -287,7 +287,7 @@ BOOL DRLG_L3Lockout()
 	return t == lockoutcnt;
 }
 
-void CreateL3Dungeon(int rseed, int entry)
+void CreateL3Dungeon(DWORD rseed, int entry)
 {
 	int i, j;
 
diff --git a/Source/drlg_l3.h b/Source/drlg_l3.h
index 47c2feb34..01deec677 100644
--- a/Source/drlg_l3.h
+++ b/Source/drlg_l3.h
@@ -14,7 +14,7 @@ void FixL3Warp();
 void FixL3HallofHeroes();
 void DRLG_L3LockRec(int x, int y);
 BOOL DRLG_L3Lockout();
-void CreateL3Dungeon(int rseed, int entry);
+void CreateL3Dungeon(DWORD rseed, int entry);
 void DRLG_L3(int entry);
 void InitL3Dungeon();
 BOOL DRLG_L3FillRoom(int x1, int y1, int x2, int y2);
diff --git a/Source/drlg_l4.cpp b/Source/drlg_l4.cpp
index a9525e3b8..9725ec730 100644
--- a/Source/drlg_l4.cpp
+++ b/Source/drlg_l4.cpp
@@ -469,7 +469,7 @@ void DRLG_L4GeneralFix()
 	}
 }
 
-void CreateL4Dungeon(int rseed, int entry)
+void CreateL4Dungeon(DWORD rseed, int entry)
 {
 	SetRndSeed(rseed);
 
diff --git a/Source/drlg_l4.h b/Source/drlg_l4.h
index 3277f1f28..a0d04b31c 100644
--- a/Source/drlg_l4.h
+++ b/Source/drlg_l4.h
@@ -31,7 +31,7 @@ BOOL IsDURWall(char d);
 BOOL IsDLLWall(char dd);
 void L4FixRim();
 void DRLG_L4GeneralFix();
-void CreateL4Dungeon(int rseed, int entry);
+void CreateL4Dungeon(DWORD rseed, int entry);
 void DRLG_L4(int entry);
 void DRLG_L4Shadows();
 void InitL4Dungeon();