diff --git a/lib/std/net/os/posix.c3 b/lib/std/net/os/posix.c3
index f9b52eaff..a9925d1f3 100644
--- a/lib/std/net/os/posix.c3
+++ b/lib/std/net/os/posix.c3
@@ -1,7 +1,7 @@
 module std::net::os;
 import libc;
 
-$if env::os_is_win32() && $defined(AddrInfo):
+$if !env::os_is_win32() && $defined(AddrInfo):
 
 const int F_GETFL = 3;
 const int F_SETFL = 4;
diff --git a/src/utils/lib.h b/src/utils/lib.h
index 9e438bb2c..0a645c245 100644
--- a/src/utils/lib.h
+++ b/src/utils/lib.h
@@ -500,8 +500,6 @@ static inline signed char char_is_valid_escape(char c)
 			return '\\';
 		case '0':
 			return '\0';
-		case 's':
-			return ' ';
 		default:
 			return -1;
 	}
diff --git a/src/version.h b/src/version.h
index 1e10a945f..0a50c1009 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define COMPILER_VERSION "0.4.509"
\ No newline at end of file
+#define COMPILER_VERSION "0.4.510"
\ No newline at end of file