diff --git a/src/main.c b/src/main.c
index 8b87c823..c0565d9c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -78,7 +78,7 @@
 #elif defined (__MINT__)
     #include <mint/osbind.h>
 #elif defined(__macosx__)
-    #import <corefoundation/corefoundation.h>
+    #import <CoreFoundation/CoreFoundation.h>
     #import <sys/param.h>
 #elif defined(__FreeBSD__)
     #include <sys/param.h>
diff --git a/src/setup.c b/src/setup.c
index e9b4c24a..3f31da2f 100644
--- a/src/setup.c
+++ b/src/setup.c
@@ -35,7 +35,7 @@
   #include <direct.h>
 #endif
 #elif defined(__macosx__)
-  #import <corefoundation/corefoundation.h>
+  #import <CoreFoundation/CoreFoundation.h>
   #import <sys/param.h>
 #elif defined(__FreeBSD__)
   #include <sys/param.h>
diff --git a/src/text.c b/src/text.c
index 869dca4a..9ffa89eb 100644
--- a/src/text.c
+++ b/src/text.c
@@ -46,7 +46,7 @@
 #endif
 
 #if defined(__macosx__)
-  #import <corefoundation/corefoundation.h>
+  #import <CoreFoundation/CoreFoundation.h>
   #import <sys/param.h>
 #endif