diff --git a/src/mesa/main/getstring.c b/src/mesa/main/getstring.c
index 41fd786d7d5..6599ed9698d 100644
--- a/src/mesa/main/getstring.c
+++ b/src/mesa/main/getstring.c
@@ -266,5 +266,6 @@ _mesa_GetError( void )
       _mesa_debug(ctx, "glGetError <-- %s\n", _mesa_lookup_enum_by_nr(e));
 
    ctx->ErrorValue = (GLenum) GL_NO_ERROR;
+   ctx->ErrorDebugCount = 0;
    return e;
 }