diff --git a/src/glsl/pp/sl_pp_error.c b/src/glsl/pp/sl_pp_error.c
index e591f4beef9..df9b191dfeb 100644
--- a/src/glsl/pp/sl_pp_error.c
+++ b/src/glsl/pp/sl_pp_error.c
@@ -27,6 +27,7 @@
 
 #include <stdlib.h>
 #include "sl_pp_process.h"
+#include "sl_pp_public.h"
 
 
 void
diff --git a/src/glsl/pp/sl_pp_expression.c b/src/glsl/pp/sl_pp_expression.c
index 5093ef6cc9d..3f6dfb5a6d3 100644
--- a/src/glsl/pp/sl_pp_expression.c
+++ b/src/glsl/pp/sl_pp_expression.c
@@ -27,6 +27,7 @@
 
 #include <stdlib.h>
 #include "sl_pp_expression.h"
+#include "sl_pp_public.h"
 
 
 struct parse_context {