diff --git a/src/game/shared/ms/script.cpp b/src/game/shared/ms/script.cpp
index 767b567..ad68993 100644
--- a/src/game/shared/ms/script.cpp
+++ b/src/game/shared/ms/script.cpp
@@ -352,7 +352,7 @@ msstring_ref CScript::GetConst(msstring_ref Text)
 	return Text;
 }
 
-bool GetString(char* Return, size_t size, const char* sentence, int start, char* endchars)
+bool GetString(char* Return, size_t size, const char* sentence, int start, const char* endchars)
 {
 	// Quickie function to return the next CMD or parameter in a script string
 	int i = 0, n, iPosition = start, endCharSize = strlen(endchars);
diff --git a/src/game/shared/ms/script.h b/src/game/shared/ms/script.h
index 33ba449..5087436 100644
--- a/src/game/shared/ms/script.h
+++ b/src/game/shared/ms/script.h
@@ -383,7 +383,7 @@ class CScript : public IVariables
 
 #undef SCRIPTVAR
 #define SCRIPTVAR GetFirstScriptVar
-bool GetString(char *Return, size_t size, const char *sentence, int start, char *endchars);
+bool GetString(char *Return, size_t size, const char *sentence, int start, const char *endchars);
 ::mslist<std::string> GetParams(std::string const &str);
 void ReplaceChar(char *pString, char org, char dest);
 float GetNumeric(const char *pszText);
diff --git a/src/game/shared/weapons/giattack.cpp b/src/game/shared/weapons/giattack.cpp
index d510c87..fec71c7 100644
--- a/src/game/shared/weapons/giattack.cpp
+++ b/src/game/shared/weapons/giattack.cpp
@@ -26,7 +26,7 @@
 #endif
 
 //extern iBeam;
-bool GetString(char *Return, size_t size, const char *sentence, int start, char *endchars);
+bool GetString(char *Return, size_t size, const char *sentence, int start, const char *endchars);
 #define ReadStat(Name, StatVar, PropVar)            \
 	{                                               \
 		Temp = GetFirstScriptVar(Name);             \