diff --git a/pkgs/development/interpreters/php/generic.nix b/pkgs/development/interpreters/php/generic.nix
index 74dedcfe2d18..eb75606273b4 100644
--- a/pkgs/development/interpreters/php/generic.nix
+++ b/pkgs/development/interpreters/php/generic.nix
@@ -170,19 +170,19 @@ let
               ln -s ${extraInit} $out/lib/php.ini
 
               if test -e $out/bin/php; then
-                wrapProgram $out/bin/php --set PHP_INI_SCAN_DIR $out/lib
+                wrapProgram $out/bin/php --set-default PHP_INI_SCAN_DIR $out/lib
               fi
 
               if test -e $out/bin/php-fpm; then
-                wrapProgram $out/bin/php-fpm --set PHP_INI_SCAN_DIR $out/lib
+                wrapProgram $out/bin/php-fpm --set-default PHP_INI_SCAN_DIR $out/lib
               fi
 
               if test -e $out/bin/phpdbg; then
-                wrapProgram $out/bin/phpdbg --set PHP_INI_SCAN_DIR $out/lib
+                wrapProgram $out/bin/phpdbg --set-default PHP_INI_SCAN_DIR $out/lib
               fi
 
               if test -e $out/bin/php-cgi; then
-                wrapProgram $out/bin/php-cgi --set PHP_INI_SCAN_DIR $out/lib
+                wrapProgram $out/bin/php-cgi --set-default PHP_INI_SCAN_DIR $out/lib
               fi
             '';
           };