diff --git a/src/bitmap.c b/src/bitmap.c
index ac2c935..d5089f8 100644
--- a/src/bitmap.c
+++ b/src/bitmap.c
@@ -38,7 +38,9 @@ unsigned char dict[256] = {
 /* F_ */ 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8,
 };
 
-int bitmap_compare(const unsigned char *a, const unsigned char *b)
+int
+bitmap_compare(const unsigned char *a,
+               const unsigned char *b)
 {
   unsigned char diff = 0;
   size_t i = 0;
diff --git a/src/bitmap.h b/src/bitmap.h
index 333859b..7a0d41f 100644
--- a/src/bitmap.h
+++ b/src/bitmap.h
@@ -5,7 +5,9 @@
 
 typedef unsigned char bitmap_t[BITMAP_SIZE];
 
-int bitmap_compare(const unsigned char *a, const unsigned char *b);
+int
+bitmap_compare(const unsigned char *a,
+               const unsigned char *b);
 
 #endif
 #define HAS_BITMAP_H 1