diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8f5ee0..b445624 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
-project(fun VERSION 0.37.49 LANGUAGES C)
+project(fun VERSION 0.37.50 LANGUAGES C)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
diff --git a/src/vm.c b/src/vm.c
index 61e347f..e20c91f 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -23,6 +23,7 @@
 #include <string.h>
 #include <stdarg.h>
 #include <time.h>
+#include <math.h>
 
 #ifdef __unix__
 #include <sys/wait.h>