diff --git a/classes/box.c b/classes/box.c
index e1b60d9..1f77c58 100644
--- a/classes/box.c
+++ b/classes/box.c
@@ -79,7 +79,7 @@ PHP_METHOD(Box, __construct)
 		break;
 
 		default:
-			{ /* throw */ }
+			php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$orientation'");
 	}
 } /* }}} */
 
@@ -185,7 +185,7 @@ PHP_METHOD(Box, setPadded)
 } /* }}} */
 
 #if PHP_VERSION_ID >= 70200
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_ui_box_is_padded_info, 0, 0, _IS_BOOL, NULL, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_ui_box_is_padded_info, 0, 0, _IS_BOOL, 0)
 #else
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_ui_box_is_padded_info, 0, 0, _IS_BOOL, NULL, 0)
 #endif
diff --git a/classes/entry.c b/classes/entry.c
index ef4443e..655832f 100644
--- a/classes/entry.c
+++ b/classes/entry.c
@@ -23,6 +23,7 @@
 
 #include <classes/control.h>
 #include <classes/entry.h>
+#include <classes/exceptions.h>
 
 zend_object_handlers php_ui_entry_handlers;
 
@@ -94,7 +95,7 @@ PHP_METHOD(Entry, __construct)
 		break;
 
 		default:
-			/* throw */
+			php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$type'");
 			return;
 	}
 
diff --git a/classes/font.c b/classes/font.c
index 633e676..128def0 100644
--- a/classes/font.c
+++ b/classes/font.c
@@ -23,6 +23,7 @@
 
 #include <classes/descriptor.h>
 #include <classes/font.h>
+#include <classes/exceptions.h>
 
 zend_object_handlers php_ui_font_handlers;
 
@@ -85,7 +86,7 @@ PHP_METHOD(DrawTextFont, __construct)
 	font->f = uiDrawLoadClosestFont(&d->d);
 
 	if (!font->f) {
-		/* throw */
+		php_ui_exception_ex(InvalidArgumentException, "Invalid font descriptor");
 	}
 } /* }}} */
 
diff --git a/classes/menu.c b/classes/menu.c
index 2439e2d..b998bf5 100644
--- a/classes/menu.c
+++ b/classes/menu.c
@@ -23,6 +23,7 @@
 
 #include <classes/menu.h>
 #include <classes/item.h>
+#include <classes/exceptions.h>
 
 zend_object_handlers php_ui_menu_handlers;
 
@@ -82,7 +83,7 @@ PHP_METHOD(Menu, append)
 	}
 
 	if (ZEND_NUM_ARGS() > 1 && !instanceof_function(type, uiItem_ce)) {
-		/* throw */
+		php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$type'");
 		return;
 	}
 
@@ -108,7 +109,7 @@ PHP_METHOD(Menu, appendCheck)
 	}
 
 	if (ZEND_NUM_ARGS() > 1 && !instanceof_function(type, uiItem_ce)) {
-		/* throw */
+		php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$type'");
 		return;
 	}
 
@@ -139,7 +140,7 @@ PHP_METHOD(Menu, appendQuit)
 	}
 
 	if (ZEND_NUM_ARGS() > 1 && !instanceof_function(type, uiItem_ce)) {
-		/* throw */
+		php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$type'");
 		return;
 	}
 
@@ -162,7 +163,7 @@ PHP_METHOD(Menu, appendPreferences)
 	}
 
 	if (ZEND_NUM_ARGS() > 1 && !instanceof_function(type, uiItem_ce)) {
-		/* throw */
+		php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$type'");
 		return;
 	}
 
@@ -185,7 +186,7 @@ PHP_METHOD(Menu, appendAbout)
 	}
 
 	if (ZEND_NUM_ARGS() > 1 && !instanceof_function(type, uiItem_ce)) {
-		/* throw */
+		php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$type'");
 		return;
 	}
 
diff --git a/classes/multi.c b/classes/multi.c
index 4accfba..ebdf334 100644
--- a/classes/multi.c
+++ b/classes/multi.c
@@ -23,6 +23,7 @@
 
 #include <classes/control.h>
 #include <classes/multi.h>
+#include <classes/exceptions.h>
 
 zend_object_handlers php_ui_multi_handlers;
 
@@ -90,7 +91,7 @@ PHP_METHOD(Multi, __construct)
 		break;
 
 		default:
-			/* throw */
+			php_ui_exception_ex(InvalidArgumentException, "Invalid value given for '$type'");
 			return;
 	}