diff --git a/Source/Modules/scilab.cxx b/Source/Modules/scilab.cxx
index 42df12f7c..7febf1011 100644
--- a/Source/Modules/scilab.cxx
+++ b/Source/Modules/scilab.cxx
@@ -326,6 +326,7 @@ public:
     bool isLastOverloaded = isOverloaded && !Getattr(node, "sym:nextSibling");
 
     if (!isOverloaded && !addSymbol(functionName, node)) {
+      DelWrapper(wrapper);
       return SWIG_ERROR;
     }
 
@@ -603,6 +604,7 @@ public:
     Append(getFunctionWrapper->code, "return SWIG_OK;\n");
     Append(getFunctionWrapper->code, "}\n");
     Wrapper_print(getFunctionWrapper, wrappersSection);
+    DelWrapper(getFunctionWrapper);
 
     /* Add function to builder table */
     addFunctionToScilab(scilabGetFunctionName, getFunctionName);
@@ -630,6 +632,7 @@ public:
       Append(setFunctionWrapper->code, "return SWIG_OK;\n");
       Append(setFunctionWrapper->code, "}\n");
       Wrapper_print(setFunctionWrapper, wrappersSection);
+      DelWrapper(setFunctionWrapper);
 
       /* Add function to builder table */
       addFunctionToScilab(scilabSetFunctionName, setFunctionName);