diff --git a/engine/backend/fs/amigaos4/amigaos4-fs.cpp b/engine/backend/fs/amigaos4/amigaos4-fs.cpp
index 0b36be3cf7c..7f854400b14 100644
--- a/engine/backend/fs/amigaos4/amigaos4-fs.cpp
+++ b/engine/backend/fs/amigaos4/amigaos4-fs.cpp
@@ -151,7 +151,7 @@ AmigaOSFilesystemNode::AmigaOSFilesystemNode() {
 AmigaOSFilesystemNode::AmigaOSFilesystemNode(const String &p) {
 	ENTER();
 
-	int len = 0, offset = p.size();
+	int offset = p.size();
 
 	//assert(offset > 0);
 
diff --git a/engine/imuse/imuse.cpp b/engine/imuse/imuse.cpp
index 8ba25942d65..63c1263b643 100644
--- a/engine/imuse/imuse.cpp
+++ b/engine/imuse/imuse.cpp
@@ -370,7 +370,7 @@ void Imuse::switchToNextRegion(Track *track) {
 	}
 
 	if (debugLevel == DEBUG_IMUSE || debugLevel == DEBUG_ALL)
-		printf("Imuse::switchToNextRegion(): REGION %d: soundName:%s\n", track->curRegion, track->soundName);
+		printf("Imuse::switchToNextRegion(): REGION %d: soundName:%s\n", (int)track->curRegion, track->soundName);
 	track->dataOffset = _sound->getRegionOffset(soundDesc, track->curRegion);
 	track->regionOffset = 0;
 }
diff --git a/engine/lua/liolib.cpp b/engine/lua/liolib.cpp
index 620ff477348..e0ddb4e2f96 100644
--- a/engine/lua/liolib.cpp
+++ b/engine/lua/liolib.cpp
@@ -361,12 +361,12 @@ static void lua_printstack (FILE *f)
         else if (linedefined < 0)
           fprintf(f, "%s", filename);
         else
-          fprintf(f, "function (%s:%d)", filename, linedefined);
+          fprintf(f, "function (%s:%d)", filename, (int)linedefined);
         filename = NULL;
       }
     }
     if ((currentline = lua_currentline(func)) > 0)
-      fprintf(f, " at line %d", currentline);
+      fprintf(f, " at line %d", (int)currentline);
     if (filename)
       fprintf(f, " [in file %s]", filename);
     fprintf(f, "\n");
diff --git a/engine/lua/llex.cpp b/engine/lua/llex.cpp
index f70a5adaa0f..5000a94c9e9 100644
--- a/engine/lua/llex.cpp
+++ b/engine/lua/llex.cpp
@@ -68,7 +68,7 @@ void luaX_token2str (LexState * /*ls*/, int32 token, char *s) {
 
 static void luaX_invalidchar (LexState *ls, int32 c) {
   char buff[10];
-  sprintf(buff, "0x%X", c);
+  sprintf(buff, "0x%X", (int)c);
   luaX_syntaxerror(ls, "invalid control char", buff);
 }
 
diff --git a/engine/lua/lparser.cpp b/engine/lua/lparser.cpp
index ced6642f3db..585e01514e0 100644
--- a/engine/lua/lparser.cpp
+++ b/engine/lua/lparser.cpp
@@ -592,7 +592,7 @@ static void error_unmatched (LexState *ls, int32 what, int32 who, int32 where) {
     luaX_token2str(ls, what, t_what);
     luaX_token2str(ls, who, t_who);
     sprintf(buff, "`%s' expected (to close `%s' at line %d)",
-            t_what, t_who, where);
+            t_what, t_who, (int)where);
     luaX_error(ls, buff);
   }
 }
diff --git a/engine/lua/lvm.cpp b/engine/lua/lvm.cpp
index 51d0aa9740e..52d411a6d30 100644
--- a/engine/lua/lvm.cpp
+++ b/engine/lua/lvm.cpp
@@ -69,7 +69,7 @@ int32 luaV_tostring (TObject *obj)
     real f = nvalue(obj);
     int32 i;
     if ((real)(-MAX_INT) <= f && f <= (real)MAX_INT && (real)(i=(int32)f) == f)
-      sprintf (s, "%d", i);
+      sprintf (s, "%d", (int)i);
     else
       sprintf (s, NUMBER_FMT, nvalue(obj));
     tsvalue(obj) = luaS_new(s);
diff --git a/engine/smush/smush.cpp b/engine/smush/smush.cpp
index 21d2569edb3..4a1edd9809b 100644
--- a/engine/smush/smush.cpp
+++ b/engine/smush/smush.cpp
@@ -302,7 +302,7 @@ bool Smush::setupAnim(const char *file, int x, int y) {
 	// does not quite do it.
 	// TODO: Find out what needs to go on here.
 	if (SMUSH_ALTSPEED(flags)) {
-		printf("Bad time: %d, suggested: %d\n", _speed, 2 * _speed);
+		printf("Bad time: %d, suggested: %d\n", (int)_speed, (int)(2 * _speed));
 		_speed = 66667;
 	}
 	_videoLooping = SMUSH_LOOPMOVIE(flags);