diff --git a/Include/dsp/utils.h b/Include/dsp/utils.h
index b2049a55..10f9cf20 100755
--- a/Include/dsp/utils.h
+++ b/Include/dsp/utils.h
@@ -40,9 +40,13 @@ extern "C"
 
 #define INDEX_MASK         0x0000003F
 
-#define MIN(x,y) ((x) < (y) ? (x) : (y))
+#ifndef MIN
+  #define MIN(x,y) ((x) < (y) ? (x) : (y))
+#endif 
 
-#define MAX(x,y) ((x) > (y) ? (x) : (y))
+#ifndef MAX
+  #define MAX(x,y) ((x) > (y) ? (x) : (y))
+#endif 
 
 #define SQ(x) ((x) * (x))