diff --git a/src/util/qs_parse/qs_parse.c b/src/util/qs_parse/qs_parse.c
index 3f216827..d8fd2c18 100644
--- a/src/util/qs_parse/qs_parse.c
+++ b/src/util/qs_parse/qs_parse.c
@@ -9,7 +9,7 @@
 #define HEX2DEC(x)  (((x)>='0'&&(x)<='9') ? (x)-48 : ((x)>='A'&&(x)<='F') ? (x)-55 : ((x)>='a'&&(x)<='f') ? (x)-87 : 0)
 #define ISQSCHR(x) ((((x)=='=')||((x)=='#')||((x)=='&')||((x)=='\0')) ? 0 : 1)
 
-int qs_strncmp(const char * s, const char * qs, size_t n)
+int qs_strncmp(char * s, char * qs, size_t n)
 {
     int i=0;
     unsigned char u1, u2, unyb, lnyb;
@@ -129,7 +129,7 @@ int qs_decode(char * qs)
 }
 
 
-char * qs_k2v(const char * key, char * qs_kv[], int qs_kv_size)
+char * qs_k2v(char * key, char * qs_kv[], int qs_kv_size)
 {
     int i;
     size_t key_len, skip;
@@ -157,7 +157,7 @@ char * qs_k2v(const char * key, char * qs_kv[], int qs_kv_size)
 }
 
 
-char * qs_scanvalue(const char * key, const char * qs, char * val, size_t val_len)
+char * qs_scanvalue(char * key, char * qs, char * val, size_t val_len)
 {
     int i, key_len;
     char * tmp;
diff --git a/src/util/qs_parse/qs_parse.h b/src/util/qs_parse/qs_parse.h
index 71048a44..a3413299 100644
--- a/src/util/qs_parse/qs_parse.h
+++ b/src/util/qs_parse/qs_parse.h
@@ -11,7 +11,7 @@ extern "C" {
 
 
 /*  Similar to strncmp, but handles URL-encoding for either string  */
-int qs_strncmp(const char * s, const char * qs, size_t n);
+int qs_strncmp(char * s, char * qs, size_t n);
 
 
 /*  Finds the beginning of each key/value pair and stores a pointer in qs_kv.
@@ -28,12 +28,12 @@ int qs_decode(char * qs);
 /*  Looks up the value according to the key on a pre-processed query string
  *  A future enhancement will be a compile-time option to look up the key
  *  in a pre-sorted qs_kv array via a binary search.  */
-char * qs_k2v(const char * key, char * qs_kv[], int qs_kv_size);
+char * qs_k2v(char * key, char * qs_kv[], int qs_kv_size);
 
 
 /*  Non-destructive lookup of value, based on key.  User provides the
  *  destinaton string and length.  */
-char * qs_scanvalue(const char * key, const char * qs, char * val, size_t val_len);
+char * qs_scanvalue(char * key, char * qs, char * val, size_t val_len);
 
 
 /*  Converts the 3 or 6 (RGB), or 4 or 8 (RGBA) hex chars in the color string