diff --git a/panda/src/collide/collisionSphere.cxx b/panda/src/collide/collisionSphere.cxx
index f65bcca0f9..b54d1e7cc8 100644
--- a/panda/src/collide/collisionSphere.cxx
+++ b/panda/src/collide/collisionSphere.cxx
@@ -348,7 +348,8 @@ test_intersection_from_sphere(const CollisionEntry &entry) const {
       return NULL;
     }
 
-    actual_t = min(1.0f, max(0.0f, t1));
+    // doubles, not floats, to satisfy min and max templates.
+    actual_t = min(1.0, max(0.0, t1));
     contact_point = from_a + actual_t * (from_b - from_a);
 
     if (t1 < 0.0) {
diff --git a/panda/src/collide/collisionTube.cxx b/panda/src/collide/collisionTube.cxx
index e52c73ea07..fa4faefce2 100644
--- a/panda/src/collide/collisionTube.cxx
+++ b/panda/src/collide/collisionTube.cxx
@@ -198,7 +198,8 @@ test_intersection_from_sphere(const CollisionEntry &entry) const {
     return NULL;
   }
 
-  actual_t = min(1.0f, max(0.0f, t1));
+  // doubles, not floats, to satisfy min and max templates.
+  actual_t = min(1.0, max(0.0, t1));
   contact_point = from_a + actual_t * (from_b - from_a);
 
   if (collide_cat.is_debug()) {