2 files changed, 3 insertions, 3 deletions

diff --git a/apps/plugin.c b/apps/plugin.c
index 0193dc605e..d1f0348cc3 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -1013,7 +1013,7 @@ static void plugin_tsr(bool (*exit_callback)(bool))
     pfn_tsr_exit = exit_callback; /* remember the callback for later */
 }
 
-int plugin_open(char *plugin, char *parameter)
+int plugin_open(const char *plugin, const char *parameter)
 {
     open_plugin_add_path(ID2P(LANG_OPEN_PLUGIN), plugin, parameter);
     return PLUGIN_GOTO_PLUGIN;
diff --git a/apps/plugin.h b/apps/plugin.h
index 023b442295..bd95331143 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -49,7 +49,7 @@
 
 char* strncpy(char *, const char *, size_t);
 void* plugin_get_buffer(size_t *buffer_size);
-int plugin_open(char *plugin, char *parameter);
+int plugin_open(const char *plugin, const char *parameter);
 
 #ifndef __PCTOOL__
 #include "config.h"
@@ -911,7 +911,7 @@ struct plugin_api {
     void (*led)(bool on);
 
     /*plugin*/
-    int (*plugin_open)(char *path, char *parameter);
+    int (*plugin_open)(const char *path, const char *parameter);
     void* (*plugin_get_buffer)(size_t *buffer_size);
     void* (*plugin_get_audio_buffer)(size_t *buffer_size);
     void (*plugin_release_audio_buffer)(void);