diff --git a/openglosd.cpp b/openglosd.cpp
index a6b14df..0633196 100644
--- a/openglosd.cpp
+++ b/openglosd.cpp
@@ -1179,7 +1179,7 @@ cOglCmdDrawText::~cOglCmdDrawText(void) { free(symbols); }
 bool cOglCmdDrawText::Execute(void) {
     cOglFont *f = cOglFont::Get(*fontName, fontSize);
 
-    if (!f)
+    if (!f || !symbols[0])
         return false;
 
     VertexBuffers[vbText]->ActivateShader();