1 files changed, 3 insertions, 0 deletions
diff --git a/lib/ppm.h b/lib/ppm.h
index 7c483b59..9fc90bb3 100644
--- a/lib/ppm.h
+++ b/lib/ppm.h
@@ -23,6 +23,9 @@ typedef gray pixval;
 
 #define PPM_OVERALLMAXVAL PGM_OVERALLMAXVAL
 #define PPM_MAXMAXVAL PGM_MAXMAXVAL
+
+#define ppm_unnormalize pgm_unnormalize
+
 typedef struct {
     pixval r, g, b;
 } pixel;