diff --git a/src/lnav_util.hh b/src/lnav_util.hh
index 3ecf13c6..b4887b2a 100644
--- a/src/lnav_util.hh
+++ b/src/lnav_util.hh
@@ -58,7 +58,7 @@
 #include "ghc/filesystem.hpp"
 
 #if SIZEOF_OFF_T == 8
-#define FORMAT_OFF_T    "%qd"
+#define FORMAT_OFF_T    "%lld"
 #elif SIZEOF_OFF_T == 4
 #define FORMAT_OFF_T    "%ld"
 #else
diff --git a/src/relative_time.cc b/src/relative_time.cc
index 1f0af007..acf57c90 100644
--- a/src/relative_time.cc
+++ b/src/relative_time.cc
@@ -830,11 +830,11 @@ size_t duration2str(int64_t millis, std::string &value_out)
         const char *format;
         const char *symbol;
     } intervals[] = {
-        { 1000, "%03qd%s", ""  },
-        {   60, "%qd%s",   "s" },
-        {   60, "%qd%s",   "m" },
-        {   24, "%qd%s",   "h" },
-        {    0, "%qd%s",   "d" },
+        { 1000, "%03lld%s", ""  },
+        {   60, "%lld%s",   "s" },
+        {   60, "%lld%s",   "m" },
+        {   24, "%lld%s",   "h" },
+        {    0, "%lld%s",   "d" },
     };
 
     struct rel_interval *curr_interval = intervals;