diff --git a/build/php.m4 b/build/php.m4
index e11a00c3bcb16..919279833f793 100644
--- a/build/php.m4
+++ b/build/php.m4
@@ -1892,7 +1892,7 @@ AC_DEFUN([PHP_PROG_PHP],[
 
   if test -n "$PHP"; then
     AC_MSG_CHECKING([for php version])
-    php_version=$($PHP -v | head -n1 | cut -d ' ' -f 2)
+    php_version=$($PHP -v | head -n1 | cut -d ' ' -f 2 | cut -d '-' -f 1)
     if test -z "$php_version"; then
       php_version=0.0.0
     fi