diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index 2df5394..ea6514b 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -4499,7 +4499,7 @@ PUGI__NS_BEGIN
 
 	PUGI__FN int get_value_int(const char_t* value)
 	{
-		return string_to_integer<unsigned int>(value, INT_MIN, INT_MAX);
+		return string_to_integer<unsigned int>(value, static_cast<unsigned int>(INT_MIN), INT_MAX);
 	}
 
 	PUGI__FN unsigned int get_value_uint(const char_t* value)
@@ -4537,7 +4537,7 @@ PUGI__NS_BEGIN
 #ifdef PUGIXML_HAS_LONG_LONG
 	PUGI__FN long long get_value_llong(const char_t* value)
 	{
-		return string_to_integer<unsigned long long>(value, LLONG_MIN, LLONG_MAX);
+		return string_to_integer<unsigned long long>(value, static_cast<unsigned long long>(LLONG_MIN), LLONG_MAX);
 	}
 
 	PUGI__FN unsigned long long get_value_ullong(const char_t* value)