diff --git a/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/launch/debug/ReadaptDebugDelegate.java b/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/launch/debug/ReadaptDebugDelegate.java
index 06ad3f9..9b54769 100644
--- a/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/launch/debug/ReadaptDebugDelegate.java
+++ b/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/launch/debug/ReadaptDebugDelegate.java
@@ -74,10 +74,11 @@ private void displayNotFoundWarning() {
 							+ "after running \"gem install readapt\" in a terminal." + System.lineSeparator()
 							+ System.lineSeparator() + "Please restart the debug session once installation is complete.",
 					MessageDialog.WARNING, 0, "Install gem", "Specify path");
-			if (notFoundDialog.open() == 0) { // First button index, install.
+			int buttonIndex = notFoundDialog.open();
+			if (buttonIndex == 0) {
 				GemHelper.install("Readapt", READAPT_PATH);
 				HAS_UPDATED_READAPT.set(true);
-			} else {
+			} else if (buttonIndex == 1) {
 				PreferenceDialog preferenceDialog = PreferencesUtil.createPreferenceDialogOn(null, PreferencePage.PAGE_ID,
 						null, null);
 				((PreferencePage) preferenceDialog.getSelectedPage()).getPathField("readapt").setFocus();
diff --git a/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/server/SolargraphStreamConnectionProvider.java b/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/server/SolargraphStreamConnectionProvider.java
index 9f1e189..c451f51 100644
--- a/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/server/SolargraphStreamConnectionProvider.java
+++ b/eclipse-solargraph-plugin/src/main/java/io/github/pyvesb/eclipse_solargraph/server/SolargraphStreamConnectionProvider.java
@@ -70,10 +70,11 @@ private void displayNotFoundWarning() {
 					"Key features will not be available. Let Eclipse install the gem locally or specify its path "
 							+ "after running \"gem install solargraph\" in a terminal.",
 					MessageDialog.WARNING, 0, "Install gem", "Specify path");
-			if (notFoundDialog.open() == 0) { // First button index, install.
+			int buttonIndex = notFoundDialog.open();
+			if (buttonIndex == 0) {
 				GemHelper.install("Solargraph", GEM_PATH);
 				HAS_UPDATED_SOLARGRAPH.set(true);
-			} else {
+			} else if (buttonIndex == 1) {
 				PreferenceDialog preferenceDialog = PreferencesUtil.createPreferenceDialogOn(null, PreferencePage.PAGE_ID,
 						null, null);
 				((PreferencePage) preferenceDialog.getSelectedPage()).getPathField("solargraph").setFocus();
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 ad7236e..1c7afd9 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
@@ -72,14 +72,15 @@ private static void displayInstallationError(String gem) {
 				null, "Please open the Error Log view for details. To manually install it, run \"gem install "
 						+ gem.toLowerCase() + "\" in a terminal and specify the path in the plugin's preferences.",
 				MessageDialog.ERROR, 0, "Open error logs", "Specify path");
-		if (errorDialog.open() == 0) { // First button index, open Error Log.
+		int buttonIndex = errorDialog.open();
+		if (buttonIndex == 0) {
 			try {
 				PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
 						.showView("org.eclipse.pde.runtime.LogView");
 			} catch (PartInitException e) {
 				LogHelper.error("Failed to open Error Log view.", e);
 			}
-		} else {
+		} else if (buttonIndex == 1) {
 			PreferenceDialog prefDialog = PreferencesUtil.createPreferenceDialogOn(null, PreferencePage.PAGE_ID, null, null);
 			((PreferencePage) prefDialog.getSelectedPage()).getPathField(gem).setFocus();
 			prefDialog.open();