diff --git a/source/Noise.h b/source/Noise.h
index 031b3f81f..d1098d7f8 100644
--- a/source/Noise.h
+++ b/source/Noise.h
@@ -4,7 +4,7 @@
 #define NOISE_USE_INLINE 1
 #define NOISE_USE_SSE 0
 
-#define NOISE_DATATYPE double
+#define NOISE_DATATYPE float