diff --git a/tools/environment.sh b/tools/environment.sh
index 3d355df..0da3c28 100755
--- a/tools/environment.sh
+++ b/tools/environment.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ "X$VERBOSE" -eq "X1" ]; then
+if [ "X$VERBOSE" == "X1" ]; then
 	set -x
 fi