diff --git a/install.sh b/install.sh
index 00ec1fa..8f2f630 100755
--- a/install.sh
+++ b/install.sh
@@ -20,10 +20,9 @@ nvm_curl() {
     ARGS=${ARGS/--progress-bar /--progress=bar }
     ARGS=${ARGS/-L /}
     ARGS=${ARGS/-I /}
-    ARGS=${ARGS/-s /-qO- }
+    ARGS=${ARGS/-s /-q }
     ARGS=${ARGS/-o /-O }
     ARGS=${ARGS/-C /-c }
-    ARGS=${ARGS/ - / }
     wget $ARGS
   fi
 }
diff --git a/nvm.sh b/nvm.sh
index a762363..a483aa7 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -21,10 +21,9 @@ nvm_curl() {
     ARGS=${ARGS/--progress-bar /--progress=bar }
     ARGS=${ARGS/-L /}
     ARGS=${ARGS/-I /}
-    ARGS=${ARGS/-s /-qO- }
+    ARGS=${ARGS/-s /-q }
     ARGS=${ARGS/-o /-O }
     ARGS=${ARGS/-C /-c }
-    ARGS=${ARGS/ - / }
     wget $ARGS
   fi
 }
@@ -181,7 +180,7 @@ nvm_ls_remote() {
   else
     PATTERN=".*"
   fi
-  VERSIONS=`nvm_curl -s $NVM_NODEJS_ORG_MIRROR/ \
+  VERSIONS=`nvm_curl -s $NVM_NODEJS_ORG_MIRROR/ -o - \
               | \egrep -o 'v[0-9]+\.[0-9]+\.[0-9]+' \
               | \grep -w "${PATTERN}" \
               | sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n`
@@ -371,7 +370,7 @@ nvm() {
           if nvm_binary_available "$VERSION"; then
             t="$VERSION-$os-$arch"
             url="$NVM_NODEJS_ORG_MIRROR/$VERSION/node-${t}.tar.gz"
-            sum=`nvm_curl -s $NVM_NODEJS_ORG_MIRROR/$VERSION/SHASUMS.txt | \grep node-${t}.tar.gz | awk '{print $1}'`
+            sum=`nvm_curl -s $NVM_NODEJS_ORG_MIRROR/$VERSION/SHASUMS.txt -o - | \grep node-${t}.tar.gz | awk '{print $1}'`
             local tmpdir
             tmpdir="$NVM_DIR/bin/node-${t}"
             local tmptarball
@@ -408,10 +407,10 @@ nvm() {
       tmpdir="$NVM_DIR/src"
       local tmptarball
       tmptarball="$tmpdir/node-$VERSION.tar.gz"
-      if [ "`nvm_curl -s -I "$NVM_NODEJS_ORG_MIRROR/$VERSION/node-$VERSION.tar.gz" | \grep '200 OK'`" != '' ]; then
+      if [ "`nvm_curl -s -I "$NVM_NODEJS_ORG_MIRROR/$VERSION/node-$VERSION.tar.gz" -o - | \grep '200 OK'`" != '' ]; then
         tarball="$NVM_NODEJS_ORG_MIRROR/$VERSION/node-$VERSION.tar.gz"
-        sum=`nvm_curl -s $NVM_NODEJS_ORG_MIRROR/$VERSION/SHASUMS.txt | \grep node-$VERSION.tar.gz | awk '{print $1}'`
-      elif [ "`nvm_curl -s -I "$NVM_NODEJS_ORG_MIRROR/node-$VERSION.tar.gz" | \grep '200 OK'`" != '' ]; then
+        sum=`nvm_curl -s $NVM_NODEJS_ORG_MIRROR/$VERSION/SHASUMS.txt -o - | \grep node-$VERSION.tar.gz | awk '{print $1}'`
+      elif [ "`nvm_curl -s -I "$NVM_NODEJS_ORG_MIRROR/node-$VERSION.tar.gz" -o - | \grep '200 OK'`" != '' ]; then
         tarball="$NVM_NODEJS_ORG_MIRROR/node-$VERSION.tar.gz"
       fi
       if (
@@ -436,10 +435,10 @@ nvm() {
             if [ "`expr "$VERSION" : '\(^v0\.2\.[0-2]$\)'`" != '' ]; then
               echo "npm requires node v0.2.3 or higher" >&2
             else
-              nvm_curl https://npmjs.org/install.sh | clean=yes npm_install=0.2.19 sh
+              nvm_curl https://npmjs.org/install.sh -o - | clean=yes npm_install=0.2.19 sh
             fi
           else
-            nvm_curl https://npmjs.org/install.sh | clean=yes sh
+            nvm_curl https://npmjs.org/install.sh -o - | clean=yes sh
           fi
         fi
       else