diff --git a/include/cglm/common.h b/include/cglm/common.h
index f68908b..f0eb965 100644
--- a/include/cglm/common.h
+++ b/include/cglm/common.h
@@ -12,6 +12,7 @@
 
 #include <stdint.h>
 #include <math.h>
+#include <float.h>
 
 #if defined(_WIN32)
 #  ifdef CGLM_DLL
diff --git a/include/cglm/frustum.h b/include/cglm/frustum.h
index b526c34..4f8aff4 100644
--- a/include/cglm/frustum.h
+++ b/include/cglm/frustum.h
@@ -184,8 +184,8 @@ glm_frustum_box(vec4 corners[8], mat4 m, vec3 box[2]) {
   vec3 min, max;
   int  i;
 
-  glm_vec_broadcast(0.0f, min);
-  glm_vec_broadcast(0.0f, max);
+  glm_vec_broadcast(FLT_MAX, min);
+  glm_vec_broadcast(-FLT_MAX, max);
 
   for (i = 0; i < 8; i++) {
     glm_mat4_mulv(m, corners[i], v);