diff --git a/CoreFoundation/Preferences.subproj/CFPreferences.c b/CoreFoundation/Preferences.subproj/CFPreferences.c
index e8f88bcb75..f81c879640 100644
--- a/CoreFoundation/Preferences.subproj/CFPreferences.c
+++ b/CoreFoundation/Preferences.subproj/CFPreferences.c
@@ -420,7 +420,7 @@ static CFStringRef  _CFPreferencesStandardDomainCacheKey(CFStringRef  domainName
 static CFURLRef _CFPreferencesURLForStandardDomainWithSafetyLevel(CFStringRef domainName, CFStringRef userName, CFStringRef hostName, unsigned long safeLevel) {
     CFURLRef theURL = NULL;
     CFAllocatorRef prefAlloc = __CFPreferencesAllocator();
-#if TARGET_OS_OSX || TARGET_OS_WIN32 || TARGET_OS_LINUX || TARGET_OS_BSD
+#if TARGET_OS_OSX || TARGET_OS_WIN32 || TARGET_OS_LINUX || TARGET_OS_BSD || TARGET_OS_WASI
     CFURLRef prefDir = _preferencesCreateDirectoryForUserHostSafetyLevel(userName, hostName, safeLevel);
     CFStringRef  appName;
     CFStringRef  fileName;
@@ -454,7 +454,7 @@ static CFURLRef _CFPreferencesURLForStandardDomainWithSafetyLevel(CFStringRef do
 	CFRelease(appName);
     }
     if (fileName) {
-#if TARGET_OS_MAC || TARGET_OS_LINUX || TARGET_OS_BSD
+#if TARGET_OS_MAC || TARGET_OS_LINUX || TARGET_OS_BSD || TARGET_OS_WASI
         theURL = CFURLCreateWithFileSystemPathRelativeToBase(prefAlloc, fileName, kCFURLPOSIXPathStyle, false, prefDir);
 #elif TARGET_OS_WIN32
 		theURL = CFURLCreateWithFileSystemPathRelativeToBase(prefAlloc, fileName, kCFURLWindowsPathStyle, false, prefDir);
diff --git a/CoreFoundation/Preferences.subproj/CFXMLPreferencesDomain.c b/CoreFoundation/Preferences.subproj/CFXMLPreferencesDomain.c
index 2c037657a4..c7a87de559 100644
--- a/CoreFoundation/Preferences.subproj/CFXMLPreferencesDomain.c
+++ b/CoreFoundation/Preferences.subproj/CFXMLPreferencesDomain.c
@@ -55,7 +55,7 @@ static void __CFMilliSleep(uint32_t msecs) {
     SleepEx(msecs, false);
 #elif defined(__svr4__) || defined(__hpux__)
     sleep((msecs + 900) / 1000);
-#elif TARGET_OS_OSX || TARGET_OS_LINUX || TARGET_OS_BSD
+#elif TARGET_OS_OSX || TARGET_OS_LINUX || TARGET_OS_BSD || TARGET_OS_WASI
     struct timespec input;
     input.tv_sec = msecs / 1000;
     input.tv_nsec = (msecs - input.tv_sec * 1000) * 1000000;