diff --git a/driver/capture_macro.h b/driver/capture_macro.h
index e796a2e1af0..eb9d97cc693 100644
--- a/driver/capture_macro.h
+++ b/driver/capture_macro.h
@@ -33,3 +33,7 @@ or GPL2.txt for full copies of the license.
 
 /* Convert seconds to nanoseconds */
 #define SECOND_TO_NS 1000000000ULL
+
+#ifdef PAGE_SIZE
+	#define STR_STORAGE_SIZE PAGE_SIZE
+#endif
diff --git a/driver/ppm.h b/driver/ppm.h
index 23e340e8c9c..342564793bf 100644
--- a/driver/ppm.h
+++ b/driver/ppm.h
@@ -52,8 +52,6 @@ struct ppm_ring_buffer_context {
 	char *str_storage;	/* String storage. Size is one page. */
 };
 
-#define STR_STORAGE_SIZE PAGE_SIZE
-
 /*
  * Global functions
  *