diff --git a/lib/libtdekrb/src/tdekrbclientsocket.cpp b/lib/libtdekrb/src/tdekrbclientsocket.cpp
index 35544c2..4b2a5a6 100644
--- a/lib/libtdekrb/src/tdekrbclientsocket.cpp
+++ b/lib/libtdekrb/src/tdekrbclientsocket.cpp
@@ -34,6 +34,10 @@
 
 #include "tdekrbclientsocket.h"
 
+#if SASL_VERSION_FULL < 0x020119
+typedef int (*sasl_callback_ft)(void);
+#endif // SASL_VERSION_FULL
+
 #define NET_SEC_BUF_SIZE (2048)
 
 // When control comes back from processEvents() my object may be completely gone!  This attempts to mitigate the risk
@@ -1025,4 +1029,4 @@ int TDEKerberosClientSocket::initializeKerberosInterface() {
 	if (kerberosInitLoopTimer) kerberosInitLoopTimer->start(0, TRUE);
 
 	return 0;
-}
\ No newline at end of file
+}
diff --git a/lib/libtdekrb/src/tdekrbserversocket.cpp b/lib/libtdekrb/src/tdekrbserversocket.cpp
index 374bda0..72e4df8 100644
--- a/lib/libtdekrb/src/tdekrbserversocket.cpp
+++ b/lib/libtdekrb/src/tdekrbserversocket.cpp
@@ -34,6 +34,10 @@
 
 #include "tdekrbserversocket.h"
 
+#if SASL_VERSION_FULL < 0x020119
+typedef int (*sasl_callback_ft)(void);
+#endif // SASL_VERSION_FULL
+
 #define NET_SEC_BUF_SIZE (2048)
 
 // When control comes back from processEvents() my object may be completely gone!  This attempts to mitigate the risk
@@ -1058,4 +1062,4 @@ int TDEKerberosServerSocket::initializeKerberosInterface() {
 	if (kerberosInitLoopTimer) kerberosInitLoopTimer->start(0, TRUE);
 
 	return 0;
-}
\ No newline at end of file
+}