diff --git a/buildroot/share/tests/run_tests b/buildroot/share/tests/run_tests
index d4ea8925e..d01107f45 100755
--- a/buildroot/share/tests/run_tests
+++ b/buildroot/share/tests/run_tests
@@ -10,7 +10,7 @@ set -e
 
 exec_test () {
   printf "\n\033[0;32m[Test $2] \033[0m$3...\n"
-  if platformio run --project-dir $1 "-e $2" --silent; then
+  if platformio run --project-dir $1 -e $2 --silent; then
     printf "\033[0;32mPassed\033[0m\n"
     return 0
   else