diff --git a/src/replay_gain_info.c b/src/replay_gain_info.c
index ce9d84950..33e29e8e3 100644
--- a/src/replay_gain_info.c
+++ b/src/replay_gain_info.c
@@ -21,7 +21,6 @@
 #include "replay_gain_info.h"
 
 #include <glib.h>
-#include <math.h>
 
 struct replay_gain_info *
 replay_gain_info_new(void)
@@ -29,7 +28,7 @@ replay_gain_info_new(void)
 	struct replay_gain_info *ret = g_new(struct replay_gain_info, 1);
 
 	for (unsigned i = 0; i < G_N_ELEMENTS(ret->tuples); ++i) {
-		ret->tuples[i].gain = 0.0;
+		ret->tuples[i].gain = INFINITY;
 		ret->tuples[i].peak = 0.0;
 	}
 
diff --git a/src/replay_gain_info.h b/src/replay_gain_info.h
index 9fcae22ab..2465a250e 100644
--- a/src/replay_gain_info.h
+++ b/src/replay_gain_info.h
@@ -23,6 +23,7 @@
 #include "check.h"
 
 #include <stdbool.h>
+#include <math.h>
 
 enum replay_gain_mode {
 	REPLAY_GAIN_OFF = -1,
@@ -54,7 +55,7 @@ replay_gain_info_free(struct replay_gain_info *info);
 static inline bool
 replay_gain_tuple_defined(const struct replay_gain_tuple *tuple)
 {
-	return tuple->gain > 0.0;
+	return !isinf(tuple->gain);
 }
 
 float