diff --git a/src/obj_extractor/obj_extractor.cpp b/src/obj_extractor/obj_extractor.cpp
index 055996a..78df06a 100644
--- a/src/obj_extractor/obj_extractor.cpp
+++ b/src/obj_extractor/obj_extractor.cpp
@@ -34,7 +34,7 @@
 
 #include <common.h>
 
-#define RAD2GRAD(x) (x) = (x) / M_PI * 100.0
+#define RAD2GRAD(x) (x) = (x) / M_PI * 180.0
 
 using namespace std;