1 files changed, 3 insertions, 3 deletions

diff --git a/apps/plugins/lua/luaconf.h b/apps/plugins/lua/luaconf.h
index 478ea14530..109e680a17 100644
--- a/apps/plugins/lua/luaconf.h
+++ b/apps/plugins/lua/luaconf.h
@@ -529,13 +529,13 @@
 @@ The luai_num* macros define the primitive operations over numbers.
 */
 #if defined(LUA_CORE)
-#include <math.h>
+extern long rb_pow(long, long);
 #define luai_numadd(a,b)        ((a)+(b))
 #define luai_numsub(a,b)        ((a)-(b))
 #define luai_nummul(a,b)        ((a)*(b))
 #define luai_numdiv(a,b)        ((a)/(b))
-#define luai_nummod(a,b)        ((a) - floor((a)/(b))*(b))
-#define luai_numpow(a,b)        (pow(a,b))
+#define luai_nummod(a,b)        ((a)%(b))
+#define luai_numpow(a,b)        (rb_pow(a,b))
 #define luai_numunm(a)          (-(a))
 #define luai_numeq(a,b)         ((a)==(b))
 #define luai_numlt(a,b)         ((a)<(b))