diff --git a/client/src/pm3.c b/client/src/pm3.c
index b921d37b3..d1e17da69 100644
--- a/client/src/pm3.c
+++ b/client/src/pm3.c
@@ -75,7 +75,9 @@ const char *pm3_name_get(pm3_device_t *dev) {
 
 const char *pm3_grabbed_output_get(pm3_device_t *dev) {
     char *tmp = g_grabbed_output.ptr;
+    tmp[g_grabbed_output.size] = 0;
     g_grabbed_output.idx = 0;
+    g_grabbed_output.size = 0;
     return tmp;
 }