diff --git a/stepmania/configure.ac b/stepmania/configure.ac
index 7fcc1982dd..96a57b0a8e 100644
--- a/stepmania/configure.ac
+++ b/stepmania/configure.ac
@@ -222,6 +222,7 @@ AC_CHECK_LIB( pthread, pthread_cond_timedwait, AC_DEFINE([HAVE_PTHREAD_COND_TIME
 
 # Always:
 AC_DEFINE(_GNU_SOURCE, 1, [Use GNU extensions])
+AC_DEFINE(__STDC_FORMAT_MACROS, 1, [Use PRId64 and similar])
 
 AM_CONDITIONAL(HAVE_ALSA, test x$alsa != xfalse )
 AM_CONDITIONAL(HAVE_GTK, test "$enable_gtk2" != "no" )
diff --git a/stepmania/src/RageSoundPosMap.cpp b/stepmania/src/RageSoundPosMap.cpp
index 592117d0a7..d073666fe8 100644
--- a/stepmania/src/RageSoundPosMap.cpp
+++ b/stepmania/src/RageSoundPosMap.cpp
@@ -178,6 +178,8 @@ int64_t pos_map_queue::Search( int64_t iSourceFrame, bool *bApproximate ) const
 	 */
 #if defined(WIN32)
 #define LI "%I64i"
+#elif defined(PRIi64)
+#define LI "%" PRIi64
 #else
 #define LI "%lli"
 #endif
diff --git a/stepmania/src/global.h b/stepmania/src/global.h
index 0767d0cfe8..39df57a997 100644
--- a/stepmania/src/global.h
+++ b/stepmania/src/global.h
@@ -55,6 +55,9 @@
 #if !defined(MISSING_STDINT_H) /* need to define int64_t if so */
 #include <stdint.h>
 #endif
+#if defined(HAVE_INTTYPES_H)
+#include <inttypes.h>
+#endif
 
 /* Branch optimizations: */
 #if defined(__GNUC__)