diff --git a/src/opencl.c b/src/opencl.c
index 49178e754..66e8eee4d 100644
--- a/src/opencl.c
+++ b/src/opencl.c
@@ -192,6 +192,8 @@ static int setup_opencl_platforms_filter (hashcat_ctx_t *hashcat_ctx, const char
       {
         event_log_error (hashcat_ctx, "Invalid OpenCL platform %d specified", platform);
 
+        hcfree (platforms);
+
         return -1;
       }