diff --git a/include/cglm/common.h b/include/cglm/common.h
index 4d2e19952..1aec59b8e 100644
--- a/include/cglm/common.h
+++ b/include/cglm/common.h
@@ -18,6 +18,9 @@
 
 #include <stdint.h>
 #include <stddef.h>
+#ifdef __EMSCRIPTEN__
+#include <stdlib.h>
+#endif
 #include <math.h>
 #include <float.h>
 #include <stdbool.h>