diff --git a/src/public/tier1/fmtstr.h b/src/public/tier1/fmtstr.h
index 40a5438a..2ef3f43d 100644
--- a/src/public/tier1/fmtstr.h
+++ b/src/public/tier1/fmtstr.h
@@ -25,7 +25,7 @@
 #define FmtStrVSNPrintf( szBuf, nBufSize, bQuietTruncation, ppszFormat, nPrevLen, lastArg ) \
 	do \
 	{ \
-		int     result; \
+		ssize_t result; \
 		va_list arg_ptr; \
 		bool bTruncated = false; \
 		static int scAsserted = 0; \
diff --git a/src/public/tier1/strtools.h b/src/public/tier1/strtools.h
index fa731525..0188f310 100644
--- a/src/public/tier1/strtools.h
+++ b/src/public/tier1/strtools.h
@@ -81,7 +81,7 @@ inline bool V_iswdigit(int c)
 }
 
 void V_binarytohex(const byte* in, size_t inputbytes, char* out, size_t outsize);
-int V_vsnprintfRet(char* pDest, int maxLen, const char* pFormat, va_list params, bool* pbTruncated);
+ssize_t V_vsnprintfRet(char* pDest, size_t maxLen, const char* pFormat, va_list params, bool* pbTruncated);
 
 // Strip white space at the beginning and end of a string
 ssize_t V_StrTrim(char* pStr);
diff --git a/src/tier1/strtools.cpp b/src/tier1/strtools.cpp
index ba843098..727bc5e0 100644
--- a/src/tier1/strtools.cpp
+++ b/src/tier1/strtools.cpp
@@ -266,12 +266,12 @@ void V_binarytohex(const byte* in, size_t inputbytes, char* out, size_t outsize)
 }
 
 
-int V_vsnprintfRet(char* pDest, int maxLen, const char* pFormat, va_list params, bool* pbTruncated)
+ssize_t V_vsnprintfRet(char* pDest, size_t maxLen, const char* pFormat, va_list params, bool* pbTruncated)
 {
 	Assert(maxLen > 0);
 
-	int len = _vsnprintf(pDest, maxLen, pFormat, params);
-	bool bTruncated = (len < 0) || (len >= maxLen);
+	ssize_t len = _vsnprintf(pDest, maxLen, pFormat, params);
+	const bool bTruncated = (len < 0) || (len >= (ssize_t)maxLen);
 
 	if (pbTruncated)
 	{