diff --git a/run_multibackend.sh b/run_multibackend.sh
index c20ef3a33..e419a0f48 100755
--- a/run_multibackend.sh
+++ b/run_multibackend.sh
@@ -1,13 +1,13 @@
 #!/bin/bash -e
 echo "********* CPU *********"
-CPU=1 python3 $@
+CPU=1 python3 "$@"
 echo "********* GPU *********"
-GPU=1 python3 $@
+GPU=1 python3 "$@"
 echo "********* METAL *********"
-METAL=1 python3 $@
+METAL=1 python3 "$@"
 echo "********* CLANG *********"
-CLANG=1 python3 $@
+CLANG=1 python3 "$@"
 echo "********* LLVM *********"
-LLVM=1 python3 $@
+LLVM=1 python3 "$@"
 echo "********* TORCH *********"
-TORCH=1 python3 $@
+TORCH=1 python3 "$@"