diff --git a/src/main/com/portalmedia/embarc/gui/ValidationWarningHelper.java b/src/main/com/portalmedia/embarc/gui/ValidationWarningHelper.java
index bffa021..70f0a2f 100644
--- a/src/main/com/portalmedia/embarc/gui/ValidationWarningHelper.java
+++ b/src/main/com/portalmedia/embarc/gui/ValidationWarningHelper.java
@@ -54,7 +54,7 @@ public static HBox setInvalidRuleSets(Set<ValidationRuleSetEnum> invalidRuleSet)
 				icon.setIconSize(16);
 				warningIcons.getChildren().add(icon);
 			} else if (rule == ValidationRuleSetEnum.FADGI_SR) { // red octagon
-				final FontIcon icon = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);
+				final FontIcon icon = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);
 				icon.getStyleClass().add("fadgi-sr-warning");
 				icon.setIconSize(18);
 				warningIcons.getChildren().add(icon);
@@ -128,7 +128,7 @@ public static boolean getInvalidRuleSetsAndUpdateErrorIcons(
 				}
 				
 				hasInvalidRules = true;
-				final FontIcon icon = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);
+				final FontIcon icon = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);
 				icon.setAccessibleText(ruleText);
 				icon.getStyleClass().add("fadgi-sr-warning-clickable");
 				
diff --git a/src/main/com/portalmedia/embarc/gui/ValidationWarningIcons.java b/src/main/com/portalmedia/embarc/gui/ValidationWarningIcons.java
index d154f84..8580f76 100644
--- a/src/main/com/portalmedia/embarc/gui/ValidationWarningIcons.java
+++ b/src/main/com/portalmedia/embarc/gui/ValidationWarningIcons.java
@@ -60,7 +60,7 @@ public void setInvalidRuleSets(Set<ValidationRuleSetEnum> invalidRuleSet) {
 				icon.setIconSize(16);
 				warningIcons.getChildren().add(icon);
 			} else if (rule == ValidationRuleSetEnum.FADGI_SR) { // red octagon
-				final FontIcon icon = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);
+				final FontIcon icon = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);
 				icon.getStyleClass().add("fadgi-sr-warning");
 				icon.setIconSize(18);
 				warningIcons.getChildren().add(icon);
@@ -119,7 +119,7 @@ public void setInvalidRuleSets(Set<ValidationRuleSetEnum> invalidRuleSet, Column
 						}
 					}
 				}
-				final FontIcon icon = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);
+				final FontIcon icon = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);
 				icon.setAccessibleText(ruleText);
 				icon.getStyleClass().add("fadgi-sr-warning");
 				final Tooltip tt = new Tooltip(ruleText);
diff --git a/src/main/com/portalmedia/embarc/gui/dpx/RuleSetModalController.java b/src/main/com/portalmedia/embarc/gui/dpx/RuleSetModalController.java
index 6751a13..8cf0a3c 100644
--- a/src/main/com/portalmedia/embarc/gui/dpx/RuleSetModalController.java
+++ b/src/main/com/portalmedia/embarc/gui/dpx/RuleSetModalController.java
@@ -108,7 +108,7 @@ public void changed(ObservableValue<? extends Boolean> obs, Boolean ov, Boolean
 		// FADGI-SR - red octagon
 		final CheckBox fadgiSRCheckbox = new CheckBox("FADGI-SR");
 		fadgiSRCheckbox.setStyle(alertTextStyles);
-		final FontIcon icon3 = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);
+		final FontIcon icon3 = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);
 		icon3.getStyleClass().add("fadgi-sr-warning");
 		icon3.setIconSize(18);
 		fadgiSRCheckbox.setGraphic(icon3);
diff --git a/src/main/com/portalmedia/embarc/gui/dpx/WriteFilesView.java b/src/main/com/portalmedia/embarc/gui/dpx/WriteFilesView.java
index 75d79c8..293fb34 100644
--- a/src/main/com/portalmedia/embarc/gui/dpx/WriteFilesView.java
+++ b/src/main/com/portalmedia/embarc/gui/dpx/WriteFilesView.java
@@ -148,7 +148,7 @@ public void setMessage(SectionDef section) {
 		fsrCB.setId("FADGI_SR");
 		final Label fsrLabel = new Label("Files with FADGI-SR violations"); // red octagon
 		fsrLabel.setLabelFor(fsrCB);
-		final FontIcon icon1 = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);
+		final FontIcon icon1 = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);
 		icon1.getStyleClass().add("fadgi-sr-warning");
 		icon1.setIconSize(18);
 		fsrLabel.setGraphic(icon1);
diff --git a/src/main/com/portalmedia/embarc/gui/mxf/ValidationCellFactoryMXF.java b/src/main/com/portalmedia/embarc/gui/mxf/ValidationCellFactoryMXF.java
index 0fb9b0a..6918509 100644
--- a/src/main/com/portalmedia/embarc/gui/mxf/ValidationCellFactoryMXF.java
+++ b/src/main/com/portalmedia/embarc/gui/mxf/ValidationCellFactoryMXF.java
@@ -52,7 +52,7 @@ protected void updateItem(String item, boolean empty) {
 					final MXFFileInformationViewModel fivm = row.getItem();
 					String cellData = columnData.getCellData(fivm);
 					if (mcvmData.getMXFColumn().isRequired() && StringUtils.isBlank(cellData)) {
-						final FontIcon icon = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);
+						final FontIcon icon = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);
 						icon.setAccessibleText("Missing Required Value");
 						icon.getStyleClass().add("fadgi-sr-warning");
 						
diff --git a/src/main/com/portalmedia/embarc/gui/mxf/ValidationChangeListenerMXF.java b/src/main/com/portalmedia/embarc/gui/mxf/ValidationChangeListenerMXF.java
index 7c9e1ff..5ffc942 100644
--- a/src/main/com/portalmedia/embarc/gui/mxf/ValidationChangeListenerMXF.java
+++ b/src/main/com/portalmedia/embarc/gui/mxf/ValidationChangeListenerMXF.java
@@ -45,7 +45,7 @@ public void changed(ObservableValue<? extends String> ov, String oldValue, Strin
 	
 	public void setMissingRequiredField(String value) {
 		if (this.column.isRequired() && StringUtils.isBlank(value)) {
-			final FontIcon icon = new FontIcon(MaterialDesign.MDI_ALERT_OCTAGON);		
+			final FontIcon icon = new FontIcon(FontAwesomeSolid.EXCLAMATION_CIRCLE);		
 			icon.getStyleClass().add("fadgi-sr-warning");			
 			validationInfo.getChildren().add(icon);
 			textField.setAccessibleText("Missing Required Value");