diff --git a/include/util/tconfig.h b/include/util/tconfig.h
index 9c7644856d..aaad467737 100644
--- a/include/util/tconfig.h
+++ b/include/util/tconfig.h
@@ -103,7 +103,7 @@ int32_t      cfgSetItem(SConfig *pCfg, const char *name, const char *value, ECfg
 int32_t cfgAddBool(SConfig *pCfg, const char *name, bool defaultVal, int8_t scope);
 int32_t cfgAddInt32(SConfig *pCfg, const char *name, int32_t defaultVal, int64_t minval, int64_t maxval, int8_t scope);
 int32_t cfgAddInt64(SConfig *pCfg, const char *name, int64_t defaultVal, int64_t minval, int64_t maxval, int8_t scope);
-int32_t cfgAddFloat(SConfig *pCfg, const char *name, float defaultVal, double minval, double maxval, int8_t scope);
+int32_t cfgAddFloat(SConfig *pCfg, const char *name, float defaultVal, float minval, float maxval, int8_t scope);
 int32_t cfgAddDouble(SConfig *pCfg, const char *name, double defaultVal, double minval, double maxval, int8_t scope);
 int32_t cfgAddString(SConfig *pCfg, const char *name, const char *defaultVal, int8_t scope);
 int32_t cfgAddDir(SConfig *pCfg, const char *name, const char *defaultVal, int8_t scope);