Quote a few things that shellcheck suggests
diff --git a/.travis/install.sh b/.travis/install.sh
index a4f99be..0d65425 100755
--- a/.travis/install.sh
+++ b/.travis/install.sh
@@ -74,7 +74,7 @@
             curl -O https://www.openssl.org/source/openssl-$OPENSSL_VERSION_NUMBER.tar.gz
             tar zxf openssl-$OPENSSL_VERSION_NUMBER.tar.gz
             cd openssl-$OPENSSL_VERSION_NUMBER
-            ./config shared no-asm no-ssl2 -fPIC --prefix=$HOME/$OPENSSL_DIR
+            ./config shared no-asm no-ssl2 -fPIC --prefix="$HOME/$OPENSSL_DIR"
             make depend
             make install
         fi
diff --git a/.travis/run.sh b/.travis/run.sh
index 5470c82..aaf892b 100755
--- a/.travis/run.sh
+++ b/.travis/run.sh
@@ -41,5 +41,5 @@
 tox -- $TOX_FLAGS
 # Output information about linking of the OpenSSL library on OS X
 if [[ "$(uname -s)" == "Darwin" ]]; then
-    otool -L `find .tox -name _openssl*.so`
+    otool -L `find .tox -name "_openssl*.so"`
 fi