diff --git a/.gitignore b/.gitignore
index 2cc87c682c..4576e0cf15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,5 +4,6 @@ pkg/
 .tribble/
 .idea/
 
+target_engine/
 target_wasm/
 dist/
diff --git a/examples/core/basic/.gitignore b/examples/core/basic/.gitignore
index 21a594de36..6df95ee360 100644
--- a/examples/core/basic/.gitignore
+++ b/examples/core/basic/.gitignore
@@ -1,2 +1,3 @@
 dist/
+target_engine/
 target_wasm/
diff --git a/packages/perseus-cli/src/build.rs b/packages/perseus-cli/src/build.rs
index 2e17335c52..f94fde1ce2 100644
--- a/packages/perseus-cli/src/build.rs
+++ b/packages/perseus-cli/src/build.rs
@@ -97,7 +97,10 @@ pub fn build_internal(
             &sg_dir,
             &sg_spinner,
             &sg_msg,
-            vec![("PERSEUS_ENGINE_OPERATION", "build")]
+            vec![
+                ("PERSEUS_ENGINE_OPERATION", "build"),
+                ("CARGO_TARGET_DIR", "target_engine")
+            ]
         )?);
 
         Ok(0)
diff --git a/packages/perseus-cli/src/export.rs b/packages/perseus-cli/src/export.rs
index d3d1d1f2b2..123db928fe 100644
--- a/packages/perseus-cli/src/export.rs
+++ b/packages/perseus-cli/src/export.rs
@@ -168,7 +168,10 @@ pub fn export_internal(
             &ep_target,
             &ep_spinner,
             &ep_msg,
-            vec![("PERSEUS_ENGINE_OPERATION", "export")]
+            vec![
+                ("PERSEUS_ENGINE_OPERATION", "export"),
+                ("CARGO_TARGET_DIR", "target_engine")
+            ]
         )?);
 
         Ok(0)
diff --git a/packages/perseus-cli/src/snoop.rs b/packages/perseus-cli/src/snoop.rs
index 7af1a67f9a..f6379f232a 100644
--- a/packages/perseus-cli/src/snoop.rs
+++ b/packages/perseus-cli/src/snoop.rs
@@ -15,7 +15,10 @@ pub fn snoop_build(dir: PathBuf) -> Result<i32, ExecutionError> {
             env::var("PERSEUS_CARGO_ARGS").unwrap_or_else(|_| String::new())
         ),
         &dir,
-        vec![("PERSEUS_ENGINE_OPERATION", "build")],
+        vec![
+            ("PERSEUS_ENGINE_OPERATION", "build"),
+            ("CARGO_TARGET_DIR", "target_engine"),
+        ],
     )
 }
 
@@ -34,7 +37,7 @@ pub fn snoop_wasm_build(dir: PathBuf, opts: SnoopWasmOpts) -> Result<i32, Execut
             env::var("PERSEUS_WASM_PACK_ARGS").unwrap_or_else(|_| String::new())
         ),
         &dir,
-        vec![],
+        vec![("CARGO_TARGET_DIR", "target_wasm")],
     )
 }
 
@@ -52,8 +55,11 @@ pub fn snoop_server(dir: PathBuf, opts: SnoopServeOpts) -> Result<i32, Execution
             env::var("PERSEUS_CARGO_ARGS").unwrap_or_else(|_| String::new())
         ),
         &dir,
-        vec![("PERSEUS_ENGINE_OPERATION", "serve")], /* Unlike the `serve` command, we're both
-                                                      * building and running here, so we provide
-                                                      * the operation */
+        vec![
+            ("PERSEUS_ENGINE_OPERATION", "serve"),
+            ("CARGO_TARGET_DIR", "target_engine"),
+        ], /* Unlike the `serve` command, we're both
+            * building and running here, so we provide
+            * the operation */
     )
 }