diff --git a/headers/modsecurity/actions/action.h b/headers/modsecurity/actions/action.h
index 66283993..4dd693a6 100644
--- a/headers/modsecurity/actions/action.h
+++ b/headers/modsecurity/actions/action.h
@@ -17,6 +17,8 @@
 
 #include <string>
 
+#include <assert.h>
+
 #endif
 
 
@@ -35,7 +37,9 @@ class Action {
     Action()
         : m_parserPayload(""),
         m_name("")
-    { }
+    {
+        assert(0);
+    }
 
 
     explicit Action(const std::string& action)
@@ -44,9 +48,9 @@ class Action {
     { }
 
 
-    Action(const Action &a)
-        : m_parserPayload(a.m_parserPayload),
-        m_name(a.m_name)
+    Action(const Action &other)
+        : m_parserPayload(other.m_parserPayload),
+        m_name(other.m_name)
     { }
 
 
@@ -76,7 +80,7 @@ class Action {
     }
 
 
-    const std::string *getName() const {
+    const std::string *getName() const noexcept {
         return &m_name;
     }
 
diff --git a/src/actions/transformations/transformation.cc b/src/actions/transformations/transformation.cc
index c275b1b9..3870c6c4 100644
--- a/src/actions/transformations/transformation.cc
+++ b/src/actions/transformations/transformation.cc
@@ -65,17 +65,23 @@ namespace actions {
 namespace transformations {
 
 
-class TransformationDoesNotExist: public std::exception {
+class TransformationDoesNotExist : public std::exception {
  public:
+    explicit TransformationDoesNotExist(const char *name)
+        : m_transformation(name)
+    { }
+
     explicit TransformationDoesNotExist(const std::string& name)
         : m_transformation(name)
     { }
 
-  virtual const char* what() const throw() {
-    return std::string("Transformation not found: " + m_transformation + \
-        ". Make sure that the new transformation is registered at: " + \
-        "transformation.cc").c_str();
-  }
+    virtual ~TransformationDoesNotExist() throw (){}
+
+    virtual const char* what() const throw() {
+        return strdup(std::string("Transformation not found: " + m_transformation + \
+            ". Make sure that the new transformation is registered at: " + \
+            "transformation.cc").c_str());
+    }
 
  private:
     std::string m_transformation;
diff --git a/src/actions/transformations/trim_left.h b/src/actions/transformations/trim_left.h
index d9d7cef3..ba731f60 100644
--- a/src/actions/transformations/trim_left.h
+++ b/src/actions/transformations/trim_left.h
@@ -34,7 +34,7 @@ namespace transformations {
 class TrimLeft : public Trim {
  public:
     TrimLeft()
-        : Trim("t:trimLeft")
+        : Action("t:trimLeft")
     { }
 
     void execute(const Transaction *t,
diff --git a/src/actions/transformations/trim_right.h b/src/actions/transformations/trim_right.h
index 9241e241..3799e6bc 100644
--- a/src/actions/transformations/trim_right.h
+++ b/src/actions/transformations/trim_right.h
@@ -34,7 +34,7 @@ namespace transformations {
 class TrimRight : public Trim {
  public:
     TrimRight()
-        : Trim("t:trimRight")
+        : Action("t:trimRight")
     { }
 
     void execute(const Transaction *t,