diff --git a/justfile b/justfile
index 4e2627c8..624be3c2 100644
--- a/justfile
+++ b/justfile
@@ -95,12 +95,12 @@ _test-release crate:
     just _build-release {{crate}}
     (cd "{{crate}}" && cargo test --release)
 _test-release-arm crate:
-    (cd "{{crate}}" && cargo test --release --target={{justfile_directory()+"/armv4t-none-eabi.json"}})
+    (cd "{{crate}}" && cargo test --release --target="{{justfile_directory()+"/armv4t-none-eabi.json"}}")
 _test-debug crate:
     just _build-debug {{crate}}
     (cd "{{crate}}" && cargo test)
 _test-debug-arm crate:
-    (cd "{{crate}}" && cargo test --release --target={{justfile_directory()+"/armv4t-none-eabi.json"}})
+    (cd "{{crate}}" && cargo test --release --target="{{justfile_directory()+"/armv4t-none-eabi.json"}}")
 _clippy crate:
     (cd "{{crate}}" && cargo clippy --examples --tests -- {{CLIPPY_ARGUMENTS}})
 _clean crate: