diff --git a/Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp b/Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
index d2744b8270..2fca5dc5da 100644
--- a/Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
+++ b/Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
@@ -598,13 +598,13 @@ Value canonical_numeric_index_string(GlobalObject& global_object, PropertyName c
 }
 
 // 22.1.3.17.1 GetSubstitution ( matched, str, position, captures, namedCaptures, replacement ), https://tc39.es/ecma262/#sec-getsubstitution
-String get_substitution(GlobalObject& global_object, Utf16View const& matched, Utf16View const& str, size_t position, Span<Value> captures, Value named_captures, Value replacement)
+ThrowCompletionOr<String> get_substitution(GlobalObject& global_object, Utf16View const& matched, Utf16View const& str, size_t position, Span<Value> captures, Value named_captures, Value replacement)
 {
     auto& vm = global_object.vm();
 
     auto replace_string = replacement.to_utf16_string(global_object);
-    if (vm.exception())
-        return {};
+    if (auto* exception = vm.exception())
+        return throw_completion(exception->value());
     auto replace_view = replace_string.view();
 
     StringBuilder result;
@@ -647,8 +647,8 @@ String get_substitution(GlobalObject& global_object, Utf16View const& matched, U
 
                 if (!value.is_undefined()) {
                     auto value_string = value.to_string(global_object);
-                    if (vm.exception())
-                        return {};
+                    if (auto* exception = vm.exception())
+                        return throw_completion(exception->value());
 
                     result.append(value_string);
                 }
@@ -675,13 +675,13 @@ String get_substitution(GlobalObject& global_object, Utf16View const& matched, U
                 auto group_name = group_name_view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes);
 
                 auto capture = named_captures.as_object().get(group_name);
-                if (vm.exception())
-                    return {};
+                if (auto* exception = vm.exception())
+                    return throw_completion(exception->value());
 
                 if (!capture.is_undefined()) {
                     auto capture_string = capture.to_string(global_object);
-                    if (vm.exception())
-                        return {};
+                    if (auto* exception = vm.exception())
+                        return throw_completion(exception->value());
 
                     result.append(capture_string);
                 }
diff --git a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
index 2fff8e266e..d588e31f68 100644
--- a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
+++ b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
@@ -30,7 +30,7 @@ ThrowCompletionOr<Object*> get_prototype_from_constructor(GlobalObject&, Functio
 Object* create_unmapped_arguments_object(GlobalObject&, Span<Value> arguments);
 Object* create_mapped_arguments_object(GlobalObject&, FunctionObject&, Vector<FunctionNode::Parameter> const&, Span<Value> arguments, Environment&);
 Value canonical_numeric_index_string(GlobalObject&, PropertyName const&);
-String get_substitution(GlobalObject&, Utf16View const& matched, Utf16View const& str, size_t position, Span<Value> captures, Value named_captures, Value replacement);
+ThrowCompletionOr<String> get_substitution(GlobalObject&, Utf16View const& matched, Utf16View const& str, size_t position, Span<Value> captures, Value named_captures, Value replacement);
 
 enum class CallerMode {
     Strict,
diff --git a/Userland/Libraries/LibJS/Runtime/RegExpPrototype.cpp b/Userland/Libraries/LibJS/Runtime/RegExpPrototype.cpp
index c20ec59a91..c848fc28cb 100644
--- a/Userland/Libraries/LibJS/Runtime/RegExpPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/RegExpPrototype.cpp
@@ -700,9 +700,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_replace)
                     return {};
             }
 
-            replacement = get_substitution(global_object, matched.view(), string_view, position, captures, named_captures_object, replace_value);
-            if (vm.exception())
-                return {};
+            replacement = TRY_OR_DISCARD(get_substitution(global_object, matched.view(), string_view, position, captures, named_captures_object, replace_value));
         }
 
         if (position >= next_source_position) {
diff --git a/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp b/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
index ef3a040299..606343611b 100644
--- a/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
@@ -966,9 +966,7 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::replace)
         if (vm.exception())
             return {};
     } else {
-        replacement = get_substitution(global_object, search_string.view(), string.view(), *position, {}, js_undefined(), replace_value);
-        if (vm.exception())
-            return {};
+        replacement = TRY_OR_DISCARD(get_substitution(global_object, search_string.view(), string.view(), *position, {}, js_undefined(), replace_value));
     }
 
     StringBuilder builder;
@@ -1060,9 +1058,7 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::replace_all)
             if (vm.exception())
                 return {};
         } else {
-            replacement = get_substitution(global_object, search_string.view(), string.view(), position, {}, js_undefined(), replace_value);
-            if (vm.exception())
-                return {};
+            replacement = TRY_OR_DISCARD(get_substitution(global_object, search_string.view(), string.view(), position, {}, js_undefined(), replace_value));
         }
 
         result.append(preserved);