diff --git a/cocos/platform/linux/CCDevice.cpp b/cocos/platform/linux/CCDevice.cpp
index 5e007f7d28..5536c87d81 100644
--- a/cocos/platform/linux/CCDevice.cpp
+++ b/cocos/platform/linux/CCDevice.cpp
@@ -215,7 +215,7 @@ public:
 				return false;
 			}
 
-			if (isspace(unicode)) {
+			if (iswspace(unicode)) {
 				currentPaintPosition += face->glyph->metrics.horiAdvance >> 6;
 				prevGlyphIndex = glyphIndex;
 				prevCharacter = unicode;