diff --git a/src/qcommon/files.c b/src/qcommon/files.c

index 656b8fb..afeeb9b 100644

--- a/src/qcommon/files.c

+++ b/src/qcommon/files.c

@@ -531,7 +531,7 @@ static void FS_CheckFilenameIsNotExecutable( const char *filename,

 		const char *function )

 {

 	// Check if the filename ends with the library extension

-	if( !Q_stricmp( COM_GetExtension( filename ), DLL_EXT ) )

+	if(COM_CompareExtension(filename, DLL_EXT))

 	{

 		Com_Error( ERR_FATAL, "%s: Not allowed to manipulate '%s' due "

 			"to %s extension\n", function, filename, DLL_EXT );

diff --git a/src/qcommon/q_shared.c b/src/qcommon/q_shared.c

index 59ddf2e..c6ab101 100644

--- a/src/qcommon/q_shared.c

+++ b/src/qcommon/q_shared.c

@@ -97,6 +97,30 @@ void COM_StripExtension( const char *in, char *out, int destsize ) {

 		out[length] = 0;

 }

+/*

+============

+COM_CompareExtension

+

+string compare the end of the strings and return qtrue if strings match

+============

+*/

+qboolean COM_CompareExtension(const char *in, const char *ext)

+{

+	int inlen, extlen;

+	

+	inlen = strlen(in);

+	extlen = strlen(ext);

+	

+	if(extlen <= inlen)

+	{

+		in += inlen - extlen;

+		

+		if(!Q_stricmp(in, ext))

+			return qtrue;

+	}

+	

+	return qfalse;

+}

 /*

 ==================

diff --git a/src/qcommon/q_shared.h b/src/qcommon/q_shared.h

index e1b166a..2456b81 100644

--- a/src/qcommon/q_shared.h

+++ b/src/qcommon/q_shared.h

@@ -693,6 +693,7 @@ float Com_Clamp( float min, float max, float value );

 char	*COM_SkipPath( char *pathname );

 const char	*COM_GetExtension( const char *name );

 void	COM_StripExtension(const char *in, char *out, int destsize);

+qboolean COM_CompareExtension(const char *in, const char *ext);

 void	COM_DefaultExtension( char *path, int maxSize, const char *extension );

 void	COM_BeginParseSession( const char *name );