diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index 7377f60da7d3..23adb1c18dfe 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -548,6 +548,7 @@ in {
         {
           name = "pdo_odbc";
           internalDeps = [ php.extensions.pdo ];
+          buildInputs = [ unixODBC ];
           configureFlags = [ "--with-pdo-odbc=unixODBC,${unixODBC}" ];
           doCheck = false;
         }