diff --git a/gfx/thebes/GLContext.cpp b/gfx/thebes/GLContext.cpp
index 69884136285..43c538145dd 100644
--- a/gfx/thebes/GLContext.cpp
+++ b/gfx/thebes/GLContext.cpp
@@ -352,7 +352,11 @@ GLContext::InitExtensions()
     const GLubyte *extensions = fGetString(LOCAL_GL_EXTENSIONS);
     char *exts = strdup((char *)extensions);
 
+#ifdef DEBUG
     static bool once = false;
+#else
+    const bool once = true;
+#endif
 
     if (!once) {
         printf_stderr("GL extensions: %s\n", exts);
@@ -382,7 +386,9 @@ GLContext::InitExtensions()
 
     free(exts);
 
+#ifdef DEBUG
     once = true;
+#endif
 }
 
 PRBool