diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index d94ad708..45e80409 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -95,8 +95,8 @@ steps:
     set -xe
     export CMAKE_BUILD_PARALLEL_LEVEL="$(${NPROC_TOOL})"
     echo "${CMAKE_BUILD_PARALLEL_LEVEL}"
-	export CFLAGS="${CFLAGS:-}${CFLAGS:= }${COMPILER_FLAGS}"
-	export CXXFLAGS="${CXXFLAGS:-}${CXXFLAGS:= }${COMPILER_FLAGS}"
+    export CFLAGS="${CFLAGS:-}${CFLAGS:= }${COMPILER_FLAGS}"
+    export CXXFLAGS="${CXXFLAGS:-}${CXXFLAGS:= }${COMPILER_FLAGS}"
     cmake -S. -Bbuild \
       -G"${CMAKE_GENERATOR}" \
       -DCMAKE_C_COMPILER=${C_COMPILER} -DCMAKE_CXX_COMPILER=${CXX_COMPILER} \