diff --git a/tinycdb.spec b/tinycdb.spec
index b982713ec3ae5bd452a4c13f913010c01fea6472..d1304e9b682cddb1f7543f57d9e7a78948f8cfad 100644
--- a/tinycdb.spec
+++ b/tinycdb.spec
@@ -5,7 +5,7 @@ to speed up searches in a sequence of (key,value) pairs with very big number of
 
 Name:           tinycdb
 Version:        0.81
-Release:        1
+Release:        2
 Summary:        A very fast and simple package for creating and reading constant databases
 License:        Public Domain
 URL:            http://www.corpit.ru/mjt/tinycdb.html
@@ -33,6 +33,9 @@ cp %{SOURCE1} .
 sed -i -e 's\/lib\/%{_lib}\g' libcdb.pc
 
 %build
+%if "%toolchain" == "clang"
+    sed -i "s/cc/clang/g" Makefile
+%endif
 %make_build staticlib sharedlib cdb-shared CFLAGS="%{optflags}" LDFLAGS="%{build_ldflags}"
 
 %install
@@ -65,6 +68,9 @@ cp -p libcdb.pc %{buildroot}%{_libdir}/pkgconfig/libcdb.pc
 %{_mandir}/man3/*.3*
 
 %changelog
+* Thu Jan 23 2025 QiuWenjian <wenjian.oerv@isrc.iscas.ac.cn> - 0.81-2
+- Fix building issues with clang
+
 * Mon May 13 2024 yaoxin <yao_xin001@hoperun.com> - 0.81-1
 - Upgrade to 0.81