diff --git a/config.h.cmake b/config.h.cmake
index 61ede3a..4064b66 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -1,7 +1,7 @@
 #define VERSION "@VERSION@"
 
 // Defined if you have fvisibility and fvisibility-inlines-hidden support.
-#cmakedefine __KDE_HAVE_GCC_VISIBILITY 1
+#cmakedefine __TDE_HAVE_GCC_VISIBILITY 1
 
 /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
    significant byte first (like Motorola and SPARC, unlike Intel). */
diff --git a/src/caldav.h b/src/caldav.h
index e6a4a26..305cf0b 100644
--- a/src/caldav.h
+++ b/src/caldav.h
@@ -44,7 +44,7 @@
 #include <time.h>
 
 
-#if defined(__KDE_HAVE_GCC_VISIBILITY) || defined(G_HAVE_GCC_VISIBILITY)
+#if defined(__TDE_HAVE_GCC_VISIBILITY) || defined(G_HAVE_GCC_VISIBILITY)
 #define CALDAV_NO_EXPORT __attribute__ ((visibility("hidden")))
 #define CALDAV_EXPORT __attribute__ ((visibility("default")))
 #elif defined(_WIN32)