diff --git a/external/etk b/external/etk
index 4b07b050..5f8b0944 160000
--- a/external/etk
+++ b/external/etk
@@ -1 +1 @@
-Subproject commit 4b07b0501793357ffe59333c5d1b2229b1334b54
+Subproject commit 5f8b094486e0812fef4c59d3d226ae32ba275c71
diff --git a/sources/ewol/compositing/Text.cpp b/sources/ewol/compositing/Text.cpp
index f5a486c1..02bf0874 100644
--- a/sources/ewol/compositing/Text.cpp
+++ b/sources/ewol/compositing/Text.cpp
@@ -652,7 +652,7 @@ void ewol::Text::Print(const etk::UString& text, const etk::Vector<TextDecoratio
 		if (m_stopTextPos < m_position.x()) {
 			ForceLineReturn();
 		}
-		float basicSpaceWidth = CalculateSize(' ').x();
+		float basicSpaceWidth = CalculateSize(etk::UniChar(' ')).x();
 		int32_t currentId = 0;
 		int32_t stop;
 		int32_t space;
diff --git a/sources/ewol/renderer/resources/FontFreeType.cpp b/sources/ewol/renderer/resources/FontFreeType.cpp
index 577a5c80..f7c801b8 100644
--- a/sources/ewol/renderer/resources/FontFreeType.cpp
+++ b/sources/ewol/renderer/resources/FontFreeType.cpp
@@ -136,7 +136,7 @@ bool ewol::FontFreeType::GetGlyphProperty(int32_t              fontSize,
 	// a small shortcut
 	FT_GlyphSlot slot = m_fftFace->glyph;
 	// retrieve glyph index from character code 
-	int32_t glyph_index = FT_Get_Char_Index(m_fftFace, property.m_UVal);
+	int32_t glyph_index = FT_Get_Char_Index(m_fftFace, property.m_UVal.Get());
 	// load glyph image into the slot (erase previous one)
 	error = FT_Load_Glyph(m_fftFace, // handle to face object
 	                      glyph_index, // glyph index
diff --git a/sources/ewol/renderer/resources/TexturedFont.cpp b/sources/ewol/renderer/resources/TexturedFont.cpp
index 6f3ffce4..558be3d0 100644
--- a/sources/ewol/renderer/resources/TexturedFont.cpp
+++ b/sources/ewol/renderer/resources/TexturedFont.cpp
@@ -303,7 +303,7 @@ int32_t ewol::TexturedFont::GetIndex(const uniChar_t charcode, const ewol::font:
 	if (charcode < 0x20) {
 		return 0;
 	} else if (charcode < 0x80) {
-		return charcode - 0x1F;
+		return charcode.Get() - 0x1F;
 	} else {
 		for (int32_t iii=0x80-0x20; iii < m_listElement[displayMode].Size(); iii++) {
 			if ((m_listElement[displayMode])[iii].m_UVal == charcode) {
diff --git a/sources/ewol/widget/Entry.cpp b/sources/ewol/widget/Entry.cpp
index caf1332f..88c0ab10 100644
--- a/sources/ewol/widget/Entry.cpp
+++ b/sources/ewol/widget/Entry.cpp
@@ -112,7 +112,7 @@ void widget::Entry::CalculateMinMaxSize(void)
 	ewol::Widget::CalculateMinMaxSize();
 	// get generic padding
 	vec2 padding = m_shaper.GetPadding();
-	int32_t minHeight = m_oObjectText.CalculateSize('A').y();
+	int32_t minHeight = m_oObjectText.CalculateSize(etk::UniChar('A')).y();
 	vec2 minimumSizeBase(20, minHeight);
 	// add padding :
 	minimumSizeBase += padding*2.0f;
@@ -167,7 +167,7 @@ void widget::Entry::OnRegenerateDisplay(void)
 		vec2 tmpSizeText = tmpSizeShaper - padding * 2.0f;
 		vec2 tmpOriginText = (m_size - tmpSizeText) / 2.0f;
 		// sometimes, the user define an height bigger than the real size needed ==> in this case we need to center the text in the shaper ...
-		int32_t minHeight = m_oObjectText.CalculateSize('A').y();
+		int32_t minHeight = m_oObjectText.CalculateSize(etk::UniChar('A')).y();
 		if (tmpSizeText.y()>minHeight) {
 			tmpOriginText += vec2(0,(tmpSizeText.y()-minHeight)/2.0f);
 		}
@@ -377,18 +377,18 @@ bool widget::Entry::OnEventEntry(const ewol::EventEntry& _event)
 			//return GenEventInputExternal(eventEnter, -1, -1);
 			// remove curent selected data ...
 			RemoveSelected();
-			if(    '\n' == _event.GetChar()
-			    || '\r' == _event.GetChar()) {
+			if(    _event.GetChar() == '\n'
+			    || _event.GetChar() == '\r') {
 				GenerateEventId(eventEnter, m_data);
 				return true;
-			} else if (0x7F == _event.GetChar()) {
+			} else if (_event.GetChar() == 0x7F) {
 				// SUPPR :
 				if (m_data.Size() > 0 && m_displayCursorPos<m_data.Size()) {
 					m_data.Remove(m_displayCursorPos, 1);
 					m_displayCursorPos = etk_max(m_displayCursorPos, 0);
 					m_displayCursorPosSelection = m_displayCursorPos;
 				}
-			} else if (0x08 == _event.GetChar()) {
+			} else if (_event.GetChar() == 0x08) {
 				// DEL :
 				if (m_data.Size() > 0 && m_displayCursorPos != 0) {
 					m_data.Remove(m_displayCursorPos-1, 1);