diff --git a/libtransmission/JSON_parser.c b/libtransmission/JSON_parser.c
index a94efa33b..8e2035000 100644
--- a/libtransmission/JSON_parser.c
+++ b/libtransmission/JSON_parser.c
@@ -500,7 +500,7 @@ static int parse_parse_buffer(JSON_parser jc)
                     break;
                 case JSON_T_INTEGER:
                     arg = &value;
-                    sscanf(jc->parse_buffer, JSON_PARSER_INTEGER_SSCANF_TOKEN, &value.vu.integer_value);
+                    value.vu.integer_value = evutil_strtoll( jc->parse_buffer, NULL, 10 );
                     break;
                 case JSON_T_STRING:
                     arg = &value;
diff --git a/libtransmission/JSON_parser.h b/libtransmission/JSON_parser.h
index cb2a82bc3..32b405de8 100644
--- a/libtransmission/JSON_parser.h
+++ b/libtransmission/JSON_parser.h
@@ -18,15 +18,8 @@
 #endif
 
 /* Determine the integer type use to parse non-floating point numbers */
-#if __STDC_VERSION__ >= 199901L || HAVE_LONG_LONG == 1
-typedef long long JSON_int_t;
-#define JSON_PARSER_INTEGER_SSCANF_TOKEN "%lld"
-#define JSON_PARSER_INTEGER_SPRINTF_TOKEN "%lld"
-#else 
-typedef long JSON_int_t;
-#define JSON_PARSER_INTEGER_SSCANF_TOKEN "%ld"
-#define JSON_PARSER_INTEGER_SPRINTF_TOKEN "%ld"
-#endif
+#include <evutil.h>
+typedef ev_int64_t JSON_int_t;
 
 
 #ifdef __cplusplus