diff --git a/src/gallium/auxiliary/rbug/rbug_texture.c b/src/gallium/auxiliary/rbug/rbug_texture.c
index 768e9505cca65fcdbdebba8df19a55b773d7a245..b0d8c60d46dcfd86d1bc553dbb2857f56bc3f18b 100644
--- a/src/gallium/auxiliary/rbug/rbug_texture.c
+++ b/src/gallium/auxiliary/rbug/rbug_texture.c
@@ -34,6 +34,8 @@
  * Functions ending with _reply are replies to requests.
  */
 
+#include "c99_alloca.h"
+
 #include "rbug_internal.h"
 #include "rbug_texture.h"