diff --git a/win32/build/confutils.js b/win32/build/confutils.js
index d8155bbaa80..ab87a2237f5 100644
--- a/win32/build/confutils.js
+++ b/win32/build/confutils.js
@@ -1989,6 +1989,7 @@ function generate_makefile()
 			var lib = "php_" + extensions_enabled[i][0] + ".lib";
 			var dll = "php_" + extensions_enabled[i][0] + ".dll";
 			MF.WriteLine("	@copy $(BUILD_DIR)\\" + lib + " $(BUILD_DIR_DEV)\\lib");
+			MF.WriteLine("  @if not exist $(PHP_PREFIX) mkdir $(PHP_PREFIX) >nul");
 			MF.WriteLine("	@copy $(BUILD_DIR)\\" + dll + " $(PHP_PREFIX)");
 		}
 	} else {