diff --git a/code/nel/src/georges/form_elm.cpp b/code/nel/src/georges/form_elm.cpp
index 86ad9c142..cdf6fe00b 100644
--- a/code/nel/src/georges/form_elm.cpp
+++ b/code/nel/src/georges/form_elm.cpp
@@ -836,7 +836,7 @@ bool CFormElm::getInternalNodeByName (CForm *form, const std::string &name, cons
 	bool inArrayIndex = false;
 
 	// Index in the array
-	uint arrayIndex;
+	uint arrayIndex = 0;
 
 	// Bool next token must be an array index
 	bool wantArrayIndex = false;
diff --git a/code/nel/src/gui/group_html.cpp b/code/nel/src/gui/group_html.cpp
index e6805df53..b7484ce45 100644
--- a/code/nel/src/gui/group_html.cpp
+++ b/code/nel/src/gui/group_html.cpp
@@ -838,6 +838,7 @@ namespace NLGUI
 		result.R = 255 * hueToRgb(m1, m2, h + 1.0f/3.0f);
 		result.G = 255 * hueToRgb(m1, m2, h);
 		result.B = 255 * hueToRgb(m1, m2, h - 1.0f/3.0f);
+		result.A = 255;
 	}
 
 	class CNameToCol
diff --git a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
index 4a06195ce..7881df9e1 100644
--- a/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
+++ b/code/ryzom/client/src/interface_v3/lua_ihm_ryzom.cpp
@@ -2044,7 +2044,7 @@ int CLuaIHMRyzom::addShape(CLuaState &ls)
 
 	string shape = ls.toString(1);
 	
-	float x,y,z = 0.0f;
+	float x = 0.0f, y = 0.0f, z = 0.0f;
 	float scale = 1.0f;
 	string context,url,skeleton,texture = "";
 	bool highlight, transparency, collision = false;