diff --git a/dlls/msi/tests/action.c b/dlls/msi/tests/action.c
index 7de4fb7c52c..224637eb286 100644
--- a/dlls/msi/tests/action.c
+++ b/dlls/msi/tests/action.c
@@ -3022,7 +3022,7 @@ error:
     DeleteFileA(msifile);
     DeleteFileA("msitest\\maximus");
     RemoveDirectoryA("msitest");
-    free(usersid);
+    LocalFree(usersid);
 }
 
 static void test_publish_product(void)
@@ -3259,7 +3259,7 @@ error:
     DeleteFileA(msifile);
     DeleteFileA("msitest\\maximus");
     RemoveDirectoryA("msitest");
-    free(usersid);
+    LocalFree(usersid);
 }
 
 static void test_publish_features(void)
@@ -3384,7 +3384,7 @@ error:
     DeleteFileA(msifile);
     DeleteFileA("msitest\\maximus");
     RemoveDirectoryA("msitest");
-    free(usersid);
+    LocalFree(usersid);
 }
 
 static LPSTR reg_get_val_str(HKEY hkey, LPCSTR name)