diff --git a/NEWS b/NEWS
index 56aa5d51bb2ad..ceda8d103caa8 100644
--- a/NEWS
+++ b/NEWS
@@ -56,6 +56,10 @@ PHP                                                                        NEWS
 - PHPDBG:
   . Fixed bug GH-12675 (MEMORY_LEAK in phpdbg_prompt.c). (nielsdos)
 
+- SOAP:
+  . Fixed bug GH-12838 ([SOAP] Temporary WSDL cache files not being deleted).
+    (nielsdos)
+
 - SPL:
   . Fixed bug GH-12721 (SplFileInfo::getFilename() segfault in combination
     with GlobIterator and no directory separator). (nielsdos)
diff --git a/ext/soap/php_sdl.c b/ext/soap/php_sdl.c
index 5c833dc45cf04..749f5a5685ec2 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);