diff --git a/Makefile b/Makefile
index fe6211d260..697c18a259 100644
--- a/Makefile
+++ b/Makefile
@@ -193,7 +193,7 @@ ASTCFLAGS+=-pipe -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declar
 ASTCFLAGS+=-include $(ASTTOPDIR)/include/asterisk/autoconfig.h
 
 ifeq ($(AST_DEVMODE),yes)
-  ASTCFLAGS+=-Werror -Wunused -Wundef $(AST_DECLARATION_AFTER_STATEMENT)
+  ASTCFLAGS+=-Werror -Wunused -Wundef $(AST_DECLARATION_AFTER_STATEMENT) -DAST_DEVMODE
 endif
 
 ifneq ($(findstring BSD,$(OSARCH)),)
diff --git a/main/logger.c b/main/logger.c
index 9adb191abe..209da2167f 100644
--- a/main/logger.c
+++ b/main/logger.c
@@ -964,7 +964,11 @@ void ast_backtrace(void)
 		if ((strings = backtrace_symbols(addresses, count))) {
 			ast_debug(1, "Got %d backtrace record%c\n", count, count != 1 ? 's' : ' ');
 			for (i=0; i < count ; i++) {
-				ast_debug(1, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]);
+#if __WORDSIZE == 32
+				ast_log(LOG_DEBUG, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]);
+#elif __WORDSIZE == 64
+				ast_log(LOG_DEBUG, "#%d: [%016lX] %s\n", i, (unsigned long)addresses[i], strings[i]);
+#endif
 			}
 			free(strings);
 		} else {