diff --git a/src/include/switch_types.h b/src/include/switch_types.h
index 5d65ffd998..adb5556dd1 100644
--- a/src/include/switch_types.h
+++ b/src/include/switch_types.h
@@ -35,7 +35,7 @@
 #define SWITCH_TYPES_H
 
 #include <switch.h>
-
+#include <ctype.h>
 SWITCH_BEGIN_EXTERN_C
 
 #ifdef WIN32
diff --git a/src/mod/applications/mod_dptools/mod_dptools.c b/src/mod/applications/mod_dptools/mod_dptools.c
index 64fd08349e..47d0cecfb3 100644
--- a/src/mod/applications/mod_dptools/mod_dptools.c
+++ b/src/mod/applications/mod_dptools/mod_dptools.c
@@ -610,7 +610,7 @@ static const switch_application_interface_t pre_answer_application_interface = {
 	/* long_desc */ "Pre-Answer the call for a channel.",
 	/* short_desc */ "Pre-Answer the call",
 	/* syntax */ "",
-	/*.next */ &hangup_application_interface
+	/*.next */ &answer_application_interface
 
 };