diff --git a/src/MacVim/MMAppController.m b/src/MacVim/MMAppController.m
index d6b3d0c8ad..8cb1b370e3 100644
--- a/src/MacVim/MMAppController.m
+++ b/src/MacVim/MMAppController.m
@@ -2076,7 +2076,7 @@ fsEventCallback(ConstFSEventStreamRef streamRef,
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
     if (fsEventStream)
         return;
-    if (NULL == FSEventStreamStart)
+    if (NULL == &FSEventStreamStart)
         return; // FSEvent functions are weakly linked
 
     NSString *path = [@"~/.vim" stringByExpandingTildeInPath];
@@ -2098,7 +2098,7 @@ fsEventCallback(ConstFSEventStreamRef streamRef,
 - (void)stopWatchingVimDir
 {
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
-    if (NULL == FSEventStreamStop)
+    if (NULL == &FSEventStreamStop)
         return; // FSEvent functions are weakly linked
 
     if (fsEventStream) {
@@ -2489,7 +2489,7 @@ fsEventCallback(ConstFSEventStreamRef streamRef,
 {
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
     // The TIS symbols are weakly linked.
-    if (NULL != TISCopyCurrentKeyboardInputSource) {
+    if (NULL != &TISCopyCurrentKeyboardInputSource) {
         // We get here when compiled on >=10.5 and running on >=10.5.
 
         id nc = [NSDistributedNotificationCenter defaultCenter];
@@ -2507,7 +2507,7 @@ fsEventCallback(ConstFSEventStreamRef streamRef,
 {
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
     // The TIS symbols are weakly linked.
-    if (NULL != TISCopyCurrentKeyboardInputSource) {
+    if (NULL != &TISCopyCurrentKeyboardInputSource) {
         // We get here when compiled on >=10.5 and running on >=10.5.
 
         id nc = [NSDistributedNotificationCenter defaultCenter];
diff --git a/src/MacVim/MMTextViewHelper.m b/src/MacVim/MMTextViewHelper.m
index fdc7aaf9b9..4de1dd1df7 100644
--- a/src/MacVim/MMTextViewHelper.m
+++ b/src/MacVim/MMTextViewHelper.m
@@ -130,7 +130,7 @@ KeyboardInputSourcesEqual(TISInputSourceRef a, TISInputSourceRef b)
     ASLogDebug(@"%@", event);
 
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
-    if (NULL == TISCopyCurrentKeyboardInputSource) {
+    if (NULL == &TISCopyCurrentKeyboardInputSource) {
 #endif
 
         // NOTE: Check IM state _before_ key has been interpreted or we'll pick
@@ -787,7 +787,7 @@ KeyboardInputSourcesEqual(TISInputSourceRef a, TISInputSourceRef b)
 
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
     // The TIS symbols are weakly linked.
-    if (NULL != TISCopyCurrentKeyboardInputSource) {
+    if (NULL != &TISCopyCurrentKeyboardInputSource) {
         // We get here when compiled on >=10.5 and running on >=10.5.
 
         if (asciiImSource) {
@@ -824,7 +824,7 @@ KeyboardInputSourcesEqual(TISInputSourceRef a, TISInputSourceRef b)
 
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
     // The TIS symbols are weakly linked.
-    if (NULL != TISCopyCurrentKeyboardInputSource) {
+    if (NULL != &TISCopyCurrentKeyboardInputSource) {
         // We get here when compiled on >=10.5 and running on >=10.5.
 
         // Enable IM: switch back to input source used when IM was last on
@@ -862,7 +862,7 @@ KeyboardInputSourcesEqual(TISInputSourceRef a, TISInputSourceRef b)
 - (void)checkImState
 {
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
-    if (imControl && NULL != TISCopyCurrentKeyboardInputSource) {
+    if (imControl && NULL != &TISCopyCurrentKeyboardInputSource) {
         // We get here when compiled on >=10.5 and running on >=10.5.
         TISInputSourceRef cur = TISCopyCurrentKeyboardInputSource();
         BOOL state = !KeyboardInputSourcesEqual(asciiImSource, cur);