diff --git a/vulkano/src/command_buffer/std/execute.rs b/vulkano/src/command_buffer/std/execute.rs
index 632178f1..c429bc88 100644
--- a/vulkano/src/command_buffer/std/execute.rs
+++ b/vulkano/src/command_buffer/std/execute.rs
@@ -141,7 +141,7 @@ unsafe impl<Cb, L> CommandsList for ExecuteCommand<Cb, L>
 }
 
 unsafe impl<Cb, L> CommandsListPossibleInsideRenderPass for ExecuteCommand<Cb, L>
-    where Cb: CommandsListOutput, L: CommandsListPossibleInsideRenderPass
+    where Cb: CommandsListOutput, L: CommandsListPossibleInsideRenderPass + CommandsListBase
 {
     type RenderPass = L::RenderPass;
     type Framebuffer = L::Framebuffer;
@@ -169,7 +169,7 @@ unsafe impl<Cb, L> CommandsListPossibleInsideRenderPass for ExecuteCommand<Cb, L
 }
 
 unsafe impl<Cb, L> CommandsListPossibleOutsideRenderPass for ExecuteCommand<Cb, L>
-    where Cb: CommandsListOutput, L: CommandsListPossibleOutsideRenderPass
+    where Cb: CommandsListOutput, L: CommandsListPossibleOutsideRenderPass + CommandsListBase
 {
 }
 
diff --git a/vulkano/src/command_buffer/std/mod.rs b/vulkano/src/command_buffer/std/mod.rs
index fe7c9107..0de37348 100644
--- a/vulkano/src/command_buffer/std/mod.rs
+++ b/vulkano/src/command_buffer/std/mod.rs
@@ -227,15 +227,22 @@ unsafe impl<C> AbstractCommandsList for C where C: CommandsList {
     }
 }*/
 
-/// Extension trait for `CommandsListBase` that indicates that we're possibly outside a render pass.
-pub unsafe trait CommandsListPossibleOutsideRenderPass: CommandsListBase {
+/// Extension trait for both `CommandsListBase` and `CommandsListOutput` that indicates that we're
+/// possibly outside a render pass.
+///
+/// In other words, if this trait is *not* implemented then we're guaranteed *not* to be outside
+/// of a render pass. If it is implemented, then we maybe are but that's not sure.
+pub unsafe trait CommandsListPossibleOutsideRenderPass {
     /*/// Returns `true` if we're outside a render pass.
     fn is_outside_render_pass(&self) -> bool;*/
 }
 
-/// Extension trait for `StdCommandsCommandsListBaseList` that indicates that we're possibly inside
-/// a render pass.
-pub unsafe trait CommandsListPossibleInsideRenderPass: CommandsListBase {
+/// Extension trait for both `CommandsListBase` and `CommandsListOutput` that indicates that we're
+/// possibly inside a render pass.
+///
+/// In other words, if this trait is *not* implemented then we're guaranteed *not* to be inside
+/// a render pass. If it is implemented, then we maybe are but that's not sure.
+pub unsafe trait CommandsListPossibleInsideRenderPass {
     type RenderPass: RenderPass;
     type Framebuffer: Framebuffer;
 
diff --git a/vulkano/src/command_buffer/std/update_buffer.rs b/vulkano/src/command_buffer/std/update_buffer.rs
index c76afcb6..22a0df2a 100644
--- a/vulkano/src/command_buffer/std/update_buffer.rs
+++ b/vulkano/src/command_buffer/std/update_buffer.rs
@@ -245,6 +245,11 @@ unsafe impl<L, B> CommandsListOutput for UpdateCommandCb<L, B>
     }
 }
 
+unsafe impl<L, B> CommandsListPossibleOutsideRenderPass for UpdateCommandCb<L, B>
+    where B: TrackedBuffer, L: CommandsListOutput
+{
+}
+
 #[cfg(test)]
 mod tests {
     use std::time::Duration;