diff --git a/NEWS b/NEWS
index ba2e54628a3..45610bb0ccf 100644
--- a/NEWS
+++ b/NEWS
@@ -27,6 +27,10 @@ PHP                                                                        NEWS
   . Fixed JIT bug (JIT emits "Attempt to assign property of non-object"
     warning at the same time as Error is being thrown). (Girgias)
 
+- SOAP:
+  . Fixed bug GH-12838 ([SOAP] Temporary WSDL cache files not being deleted).
+    (nielsdos)
+
 - Standard
   . Fixed GH-12745 (http_build_query() default null argument for $arg_separator
     is implicitly coerced to string). (Girgias)
diff --git a/ext/soap/php_sdl.c b/ext/soap/php_sdl.c
index 5c833dc45cf..749f5a5685e 100644
--- a/ext/soap/php_sdl.c
+++ b/ext/soap/php_sdl.c
@@ -2381,7 +2381,9 @@ static void add_sdl_to_cache(const char *fn, const char *uri, time_t t, sdlPtr s
 	/* Make sure that incomplete files (e.g. due to disk space issues, see bug #66150) are not utilised. */
 	if (valid_file) {
 		/* This is allowed to fail, this means that another process was raced to create the file. */
-		(void) VCWD_RENAME(ZSTR_VAL(temp_file_path), fn);
+		if (VCWD_RENAME(ZSTR_VAL(temp_file_path), fn) < 0) {
+			VCWD_UNLINK(ZSTR_VAL(temp_file_path));
+		}
 	}
 
 	smart_str_free(&buf);