diff --git a/eos/effects/boostershieldboostamountpenaltyshieldskills.py b/eos/effects/boostershieldboostamountpenaltyshieldskills.py
new file mode 100644
index 000000000..d3badaf46
--- /dev/null
+++ b/eos/effects/boostershieldboostamountpenaltyshieldskills.py
@@ -0,0 +1,14 @@
+type = "boosterSideEffect"
+
+# User-friendly name for the side effect
+displayName = "Shield Boost"
+
+# Attribute that this effect targets
+attr = "boosterShieldBoostAmountPenalty"
+
+
+def handler(fit, src, context):
+    fit.modules.filteredItemBoost(lambda mod: mod.item.requiresSkill("Shield Operation"), "shieldBonus",
+                                  src.getModifiedItemAttr("boosterShieldBoostAmountPenalty"))
+    fit.modules.filteredItemBoost(lambda mod: mod.item.requiresSkill("Capital Shield Operation"), "shieldBonus",
+                                  src.getModifiedItemAttr("boosterShieldBoostAmountPenalty"))
diff --git a/gui/builtinContextMenus/boosterSideEffects.py b/gui/builtinContextMenus/boosterSideEffects.py
index 68cfed1b2..60f5e2ca5 100644
--- a/gui/builtinContextMenus/boosterSideEffects.py
+++ b/gui/builtinContextMenus/boosterSideEffects.py
@@ -20,7 +20,12 @@ class BoosterSideEffect(ContextMenu):
             return False
 
         self.booster = selection[0]
-        return True
+
+        for effect in self.booster.sideEffects:
+            if effect.effect.isImplemented:
+                return True
+
+        return False
 
     def getText(self, itmContext, selection):
         return "Side Effects"