diff --git a/Makefile b/Makefile
index b9d31bfebd..943fbeb8c1 100644
--- a/Makefile
+++ b/Makefile
@@ -108,6 +108,8 @@ ifeq ($(OSARCH),SunOS)
   ASTETCDIR=/var/etc/asterisk
   ASTLIBDIR=/opt/asterisk/lib
   ASTVARLIBDIR=/var/opt/asterisk
+  ASTDBDIR=$(ASTVARLIBDIR)
+  ASTKEYDIR=$(ASTVARLIBDIR)
   ASTSPOOLDIR=/var/spool/asterisk
   ASTLOGDIR=/var/log/asterisk
   ASTHEADERDIR=/opt/asterisk/include
@@ -128,9 +130,12 @@ else
 ifneq ($(findstring BSD,$(OSARCH)),)
   ASTVARLIBDIR=$(prefix)/share/asterisk
   ASTVARRUNDIR=$(localstatedir)/run/asterisk
+  ASTDBDIR=$(localstatedir)/db/asterisk
 else
   ASTVARLIBDIR=$(localstatedir)/lib/asterisk
+  ASTDBDIR=$(ASTVARLIBDIR)
 endif
+  ASTKEYDIR=$(ASTVARLIBDIR)
 endif
 ifeq ($(ASTDATADIR),)
   ASTDATADIR:=$(ASTVARLIBDIR)
@@ -556,6 +561,8 @@ samples: adsi
 		echo "astetcdir => $(ASTETCDIR)" ; \
 		echo "astmoddir => $(MODULES_DIR)" ; \
 		echo "astvarlibdir => $(ASTVARLIBDIR)" ; \
+		echo "astdbdir => $(ASTDBDIR)" ; \
+		echo "astkeydir => $(ASTKEYDIR)" ; \
 		echo "astdatadir => $(ASTDATADIR)" ; \
 		echo "astagidir => $(AGI_DIR)" ; \
 		echo "astspooldir => $(ASTSPOOLDIR)" ; \
diff --git a/main/asterisk.c b/main/asterisk.c
index 4135016560..fb12e59004 100644
--- a/main/asterisk.c
+++ b/main/asterisk.c
@@ -2301,6 +2301,10 @@ static void ast_readconfig(void)
 	char *config = AST_CONFIG_FILE;
 	char hostname[MAXHOSTNAMELEN] = "";
 	struct ast_flags config_flags = { 0 };
+	struct {
+		unsigned int dbdir:1;
+		unsigned int keydir:1;
+	} found = { 0, 0 };
 
 	if (ast_opt_override_config) {
 		cfg = ast_config_load(ast_config_AST_CONFIG_FILE, config_flags);
@@ -2348,10 +2352,18 @@ static void ast_readconfig(void)
 			snprintf(ast_config_AST_MONITOR_DIR, sizeof(ast_config_AST_MONITOR_DIR) - 1, "%s/monitor", v->value);
 		} else if (!strcasecmp(v->name, "astvarlibdir")) {
 			ast_copy_string(ast_config_AST_VAR_DIR, v->value, sizeof(ast_config_AST_VAR_DIR));
+			if (!found.dbdir)
+				snprintf(ast_config_AST_DB, sizeof(ast_config_AST_DB), "%s/astdb", v->value);
+		} else if (!strcasecmp(v->name, "astdbdir")) {
 			snprintf(ast_config_AST_DB, sizeof(ast_config_AST_DB), "%s/astdb", v->value);
+			found.dbdir = 1;
 		} else if (!strcasecmp(v->name, "astdatadir")) {
 			ast_copy_string(ast_config_AST_DATA_DIR, v->value, sizeof(ast_config_AST_DATA_DIR));
+			if (!found.keydir)
+				snprintf(ast_config_AST_KEY_DIR, sizeof(ast_config_AST_KEY_DIR), "%s/keys", v->value);
+		} else if (!strcasecmp(v->name, "astkeydir")) {
 			snprintf(ast_config_AST_KEY_DIR, sizeof(ast_config_AST_KEY_DIR), "%s/keys", v->value);
+			found.keydir = 1;
 		} else if (!strcasecmp(v->name, "astlogdir")) {
 			ast_copy_string(ast_config_AST_LOG_DIR, v->value, sizeof(ast_config_AST_LOG_DIR));
 		} else if (!strcasecmp(v->name, "astagidir")) {