2 files changed, 3 insertions, 3 deletions
diff --git a/src/tool_help.c b/src/tool_help.c
index aeb40b098..a67e4bc85 100644
--- a/src/tool_help.c
+++ b/src/tool_help.c
@@ -899,7 +899,7 @@ static void get_categories(void)
 }
 
 
-void tool_help(const char *category)
+void tool_help(char *category)
 {
   puts("Usage: curl [options...] <url>");
   /* If no category was provided */
@@ -923,7 +923,7 @@ void tool_help(const char *category)
     puts("Invalid category provided, here is a list of all categories:\n");
     get_categories();
   }
-  free((char *)category);
+  free(category);
 }
 
 static int
diff --git a/src/tool_help.h b/src/tool_help.h
index 536ac10f8..1da23cc54 100644
--- a/src/tool_help.h
+++ b/src/tool_help.h
@@ -23,7 +23,7 @@
  ***************************************************************************/
 #include "tool_setup.h"
 
-void tool_help(const char *category);
+void tool_help(char *category);
 void tool_list_engines(void);
 void tool_version_info(void);