diff --git a/extern/pwrnoise/pwrnoise.h b/extern/pwrnoise/pwrnoise.h
index 0da3978b6..360176e40 100644
--- a/extern/pwrnoise/pwrnoise.h
+++ b/extern/pwrnoise/pwrnoise.h
@@ -41,8 +41,8 @@ typedef struct {
 
 	uint8_t alength;
 	uint8_t blength;
-	uint8_t a;
-	uint8_t b;
+	uint16_t a;
+	uint16_t b;
 	bool portion;
 
 	uint8_t aoffset;