diff --git a/src/filemanager/panelize.c b/src/filemanager/panelize.c
index 9b4d6ad7b..ab0dbb640 100644
--- a/src/filemanager/panelize.c
+++ b/src/filemanager/panelize.c
@@ -334,6 +334,7 @@ do_external_panelize (char *command)
         /* init buffers before call of mc_pread() */
         external->out.len = MC_PIPE_BUFSIZE;
         external->err.len = MC_PIPE_BUFSIZE;
+        external->err.null_term = TRUE;
 
         mc_pread (external, &error);
 
diff --git a/src/vfs/extfs/extfs.c b/src/vfs/extfs/extfs.c
index e2cc398be..435bb5944 100644
--- a/src/vfs/extfs/extfs.c
+++ b/src/vfs/extfs/extfs.c
@@ -960,6 +960,8 @@ extfs_cmd (const char *str_extfs_cmd, const struct extfs_super_t *archive,
         return (-1);
     }
 
+    pip->err.null_term = TRUE;
+
     mc_pread (pip, &error);
     if (error != NULL)
     {
diff --git a/src/vfs/sfs/sfs.c b/src/vfs/sfs/sfs.c
index 5b709e338..ad313b551 100644
--- a/src/vfs/sfs/sfs.c
+++ b/src/vfs/sfs/sfs.c
@@ -228,6 +228,8 @@ sfs_vfmake (const vfs_path_t * vpath, vfs_path_t * cache_vpath)
         return (-1);
     }
 
+    pip->err.null_term = TRUE;
+
     mc_pread (pip, &error);
     if (error != NULL)
     {