diff --git a/source/blender/blenkernel/intern/pointcache.c b/source/blender/blenkernel/intern/pointcache.c
index 35d6ecbc4ca..8bad91e54ee 100644
--- a/source/blender/blenkernel/intern/pointcache.c
+++ b/source/blender/blenkernel/intern/pointcache.c
@@ -1312,7 +1312,6 @@ static int ptcache_path(PTCacheID *pid, char dirname[MAX_PTCACHE_PATH])
   const char *blendfilename = (lib && (pid->cache->flag & PTCACHE_IGNORE_LIBPATH) == 0) ?
                                   lib->filepath_abs :
                                   blendfile_path;
-  size_t i;
 
   if (pid->cache->flag & PTCACHE_EXTERNAL) {
     BLI_strncpy(dirname, pid->cache->path, MAX_PTCACHE_PATH);
@@ -1327,12 +1326,8 @@ static int ptcache_path(PTCacheID *pid, char dirname[MAX_PTCACHE_PATH])
     char file[MAX_PTCACHE_PATH]; /* we don't want the dir, only the file */
 
     BLI_path_split_file_part(blendfilename, file, sizeof(file));
-    i = strlen(file);
-
-    /* remove .blend */
-    if (i > 6) {
-      file[i - 6] = '\0';
-    }
+    /* Remove the `.blend` extension. */
+    BLI_path_extension_strip(file);
 
     /* Add blend file name to pointcache dir. */
     BLI_snprintf(dirname, MAX_PTCACHE_PATH, "//" PTCACHE_PATH "%s", file);