diff --git a/auto/cc/clang b/auto/cc/clang
index 19bdaaa..9d900c2 100644
--- a/auto/cc/clang
+++ b/auto/cc/clang
@@ -5,7 +5,7 @@
 # clang
 
 
-NGX_CLANG_VER=`$CC -v 2>&1 | grep '\(clang\|LLVM\) version' 2>&1 \
+NGX_CLANG_VER=`$CC -v 2>&1 | grep 'version' 2>&1 \
                            | sed -e 's/^.* version \(.*\)/\1/'`
 
 echo " + clang version: $NGX_CLANG_VER"
diff --git a/auto/cc/name b/auto/cc/name
index 35d319e..ded93f5 100644
--- a/auto/cc/name
+++ b/auto/cc/name
@@ -44,7 +44,11 @@
     NGX_CC_NAME=gcc
     echo " + using GNU C compiler"
 
-elif `$CC -v 2>&1 | grep '\(clang\|LLVM\) version' >/dev/null 2>&1`; then
+elif `$CC -v 2>&1 | grep 'clang version' >/dev/null 2>&1`; then
+    NGX_CC_NAME=clang
+    echo " + using Clang C compiler"
+
+elif `$CC -v 2>&1 | grep 'LLVM version' >/dev/null 2>&1`; then
     NGX_CC_NAME=clang
     echo " + using Clang C compiler"