Index: src/OFKernelEventObserver_select.m
==================================================================
--- src/OFKernelEventObserver_select.m
+++ src/OFKernelEventObserver_select.m
@@ -46,11 +46,11 @@
 - init
 {
 	self = [super init];
 
 #ifndef OF_WINDOWS
-	if (_cancelFD[0] >= FD_SETSIZE)
+	if (_cancelFD[0] >= (int)FD_SETSIZE)
 		@throw [OFInitializationFailedException exception];
 #endif
 
 	FD_ZERO(&_readFDs);
 	FD_ZERO(&_writeFDs);
@@ -70,11 +70,11 @@
 
 	if (fd < 0 || fd > INT_MAX - 1)
 		@throw [OFOutOfRangeException exception];
 
 #ifndef OF_WINDOWS
-	if (fd >= FD_SETSIZE)
+	if (fd >= (int)FD_SETSIZE)
 		@throw [OFOutOfRangeException exception];
 #endif
 
 	if (fd > _maxFD)
 		_maxFD = fd;
@@ -88,11 +88,11 @@
 
 	if (fd < 0 || fd > INT_MAX - 1)
 		@throw [OFOutOfRangeException exception];
 
 #ifndef OF_WINDOWS
-	if (fd >= FD_SETSIZE)
+	if (fd >= (int)FD_SETSIZE)
 		@throw [OFOutOfRangeException exception];
 #endif
 
 	if (fd > _maxFD)
 		_maxFD = fd;
@@ -108,11 +108,11 @@
 
 	if (fd < 0)
 		@throw [OFOutOfRangeException exception];
 
 #ifndef OF_WINDOWS
-	if (fd >= FD_SETSIZE)
+	if (fd >= (int)FD_SETSIZE)
 		@throw [OFOutOfRangeException exception];
 #endif
 
 	FD_CLR((of_socket_t)fd, &_readFDs);
 }
@@ -125,11 +125,11 @@
 
 	if (fd < 0)
 		@throw [OFOutOfRangeException exception];
 
 #ifndef OF_WINDOWS
-	if (fd >= FD_SETSIZE)
+	if (fd >= (int)FD_SETSIZE)
 		@throw [OFOutOfRangeException exception];
 #endif
 
 	FD_CLR((of_socket_t)fd, &_writeFDs);
 }