diff --git a/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/utils/GemHelper.java b/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/utils/GemHelper.java
index 8a4a39a..360b004 100644
--- a/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/utils/GemHelper.java
+++ b/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/utils/GemHelper.java
@@ -26,11 +26,17 @@
 
 public class GemHelper {
 
+	private static String buildGemCmd(String cmd, String gem) {
+		return String.format(
+			"gem %s -V -n \"%s\" %s",
+			cmd, getPluginStateLocation(), gem.toLowerCase()
+		);
+	}
+	
 	public static void install(String gem, StringPreferences pathPreference) {
-		String pluginStateLocation = getPluginStateLocation();
-		String[] command = CommandHelper
-				.getPlatformCommand("gem install -V " + "-n " + pluginStateLocation + " " + gem.toLowerCase());
+		String[] command = CommandHelper.getPlatformCommand(buildGemCmd("install", gem));
 		CommandJob installCommandJob = new CommandJob(gem, command, "Installation in progress");
+
 		installCommandJob.addJobChangeListener(new JobChangeAdapter() {
 
 			@Override
@@ -51,8 +57,7 @@ public void done(IJobChangeEvent event) {
 	}
 
 	public static void scheduleUpdate(String gem, long delay) {
-		String[] command = CommandHelper
-				.getPlatformCommand("gem update -V " + "-n " + getPluginStateLocation() + " " + gem.toLowerCase());
+		String[] command = CommandHelper.getPlatformCommand(buildGemCmd("update", gem));
 		new CommandJob(gem, command, "Update in progress").schedule(delay);
 	}