diff --git a/src/wildmidi/wildmidi_lib.cpp b/src/wildmidi/wildmidi_lib.cpp
index 4464e7798f..5f711bf35c 100644
--- a/src/wildmidi/wildmidi_lib.cpp
+++ b/src/wildmidi/wildmidi_lib.cpp
@@ -1417,7 +1417,7 @@ get_sample_data(struct _patch *sample_patch, unsigned long int freq) {
 void _WM_AdjustNoteVolumes(struct _mdi *mdi, unsigned char ch, struct _note *nte) {
     double premix_dBm;
     double premix_lin;
-    unsigned char pan_ofs;
+	int pan_ofs;
     double premix_dBm_left;
     double premix_dBm_right;
     double premix_left;