diff --git a/RetroFE/Source/Execute/Launcher.cpp b/RetroFE/Source/Execute/Launcher.cpp
index 14b1613..242af40 100755
--- a/RetroFE/Source/Execute/Launcher.cpp
+++ b/RetroFE/Source/Execute/Launcher.cpp
@@ -132,7 +132,7 @@ bool Launcher::run(std::string collection, Item *collectionItem)
     system(cmd.c_str());
 
     /* Restart audio amp */
-    system(SHELL_CMD_TURN_AMPLI_ON);
+    system(SHELL_CMD_AUDIO_AMP_ON);
 
     /* Execute game */
     if(!execute(executablePath, args, currentDirectory))
@@ -142,7 +142,7 @@ bool Launcher::run(std::string collection, Item *collectionItem)
     }
 
     /* Stop audio amp */
-    system(SHELL_CMD_TURN_AMPLI_OFF);
+    system(SHELL_CMD_AUDIO_AMP_OFF);
 
     /* Log shell cmd */
     Logger::write(Logger::ZONE_INFO, "Launcher", "Applying keymap default");
diff --git a/RetroFE/Source/Sound/Sound.cpp b/RetroFE/Source/Sound/Sound.cpp
index d361efc..b3122a8 100755
--- a/RetroFE/Source/Sound/Sound.cpp
+++ b/RetroFE/Source/Sound/Sound.cpp
@@ -53,7 +53,7 @@ void Sound::play()
     //printf("%s\n", __func__);
     SDL_RemoveTimer(idTimer);
     if(!ampliStarted){
-        fp = popen(SHELL_CMD_TURN_AMPLI_ON, "r");
+        fp = popen(SHELL_CMD_AUDIO_AMP_ON, "r");
     	if (fp != NULL) {
     	    ampliStarted = 1;
     	    //pclose(fp);  // --> regression, to investigate 
@@ -72,7 +72,7 @@ uint32_t Sound::turnOffAmpli(uint32_t interval, void *param)
     FILE *fp;
 
     //printf("%s\n", __func__);
-    fp = popen(SHELL_CMD_TURN_AMPLI_OFF, "r");
+    fp = popen(SHELL_CMD_AUDIO_AMP_OFF, "r");
     if (fp != NULL) {
         ampliStarted = 0;
 	   //pclose(fp);  // --> regression, to investigate
diff --git a/RetroFE/Source/Utility/Utils.h b/RetroFE/Source/Utility/Utils.h
index 77bbbf4..111ff38 100755
--- a/RetroFE/Source/Utility/Utils.h
+++ b/RetroFE/Source/Utility/Utils.h
@@ -23,8 +23,8 @@
 #define SHELL_CMD_ROOTFS_RW             "rw"
 #define SHELL_CMD_ROOTFS_RO             "ro"
 #define SHELL_CMD_RECORD_PID            "record_pid"
-#define SHELL_CMD_TURN_AMPLI_ON         "audio_amp on"
-#define SHELL_CMD_TURN_AMPLI_OFF        "audio_amp off"
+#define SHELL_CMD_AUDIO_AMP_ON          "audio_amp on"
+#define SHELL_CMD_AUDIO_AMP_OFF         "audio_amp off"
 #define SHELL_CMD_MAPPING_ROM           "keymap rom"
 #define SHELL_CMD_MAPPING_DEFAULT       "keymap default"