diff --git a/desmume/src/frontend/posix/gtk2/main.cpp b/desmume/src/frontend/posix/gtk2/main.cpp
index 111dc92cd..411ed4f06 100644
--- a/desmume/src/frontend/posix/gtk2/main.cpp
+++ b/desmume/src/frontend/posix/gtk2/main.cpp
@@ -132,6 +132,7 @@ static void ImportBackupDialog();
static void OpenNdsDialog();
static void SaveStateDialog();
static void LoadStateDialog();
+static void DumpRamDialog();
void Launch();
void Pause();
static void ResetSaveStateTimes();
@@ -368,6 +369,8 @@ static const char *ui_description =
" "
" "
"