diff --git "a/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions." "b/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions."
index dfba0da..be0dddb 100755
--- "a/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions."	
+++ "b/test/fast/Listing versions/Running \"nvm ls\" should display all installed versions."	
@@ -2,8 +2,12 @@
 
 . ../../../nvm.sh
 
-mkdir ../../../v0.0.{1,3,9}
-mkdir ../../../v0.3.{1,3,9}
+mkdir ../../../v0.0.1
+mkdir ../../../v0.0.3
+mkdir ../../../v0.0.9
+mkdir ../../../v0.3.1
+mkdir ../../../v0.3.3
+mkdir ../../../v0.3.9
 
 # The result should contain the version numbers.
 nvm ls | grep v0.0.1 &&
diff --git "a/test/fast/Running \"nvm current\" should display current nvm environment." "b/test/fast/Running \"nvm current\" should display current nvm environment."
index 09b8931..40d528f 100755
--- "a/test/fast/Running \"nvm current\" should display current nvm environment."	
+++ "b/test/fast/Running \"nvm current\" should display current nvm environment."	
@@ -3,4 +3,4 @@
 die () { echo $@ ; exit 1; }
 
 . ../../nvm.sh
-[[ $(nvm current) == *"current"* ]] || die "Failed to find current version"
+[ `expr "$(nvm current)" : ".*current"` != 0 ] || die "Failed to find current version"
\ No newline at end of file
diff --git "a/test/fast/Running \"nvm deactivate\" should unset the nvm environment variables." "b/test/fast/Running \"nvm deactivate\" should unset the nvm environment variables."
index 0f2ad3b..813f226 100755
--- "a/test/fast/Running \"nvm deactivate\" should unset the nvm environment variables."	
+++ "b/test/fast/Running \"nvm deactivate\" should unset the nvm environment variables."	
@@ -4,11 +4,11 @@ mkdir -p ../../v0.2.3
 
 die () { echo $@ ; exit 1; }
 
-[[ $PATH != *v0.2.3/*/bin* ]] || echo "WARNING: Unexpectedly found v0.2.3 already active" >&2
+[ `expr $PATH : ".*v0.2.3/.*/bin"` == 0 ] || echo "WARNING: Unexpectedly found v0.2.3 already active" >&2
 
 . ../../nvm.sh
 nvm use v0.2.3 &&
-[[ $PATH == *v0.2.3/*/bin* ]] || die "Failed to activate v0.2.3"
+[ `expr $PATH : ".*v0.2.3/.*/bin"` != 0 ] || die "Failed to activate v0.2.3"
 
 nvm deactivate &&
-[[ $PATH != *v0.2.3/*/bin* ]] || die "Failed to deactivate v0.2.3"
+[ `expr $PATH : ".*v0.2.3/.*/bin"` != 0 ] || die "Failed to deactivate v0.2.3"