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path: root/src/modules/options/iconheader.cpp
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-rw-r--r--src/modules/options/iconheader.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/modules/options/iconheader.cpp b/src/modules/options/iconheader.cpp
index a185e1aecd..ab23c41d2e 100644
--- a/src/modules/options/iconheader.cpp
+++ b/src/modules/options/iconheader.cpp
@@ -517,7 +517,7 @@ static LRESULT CALLBACK MIcoTabWndProc(HWND hwndDlg, UINT msg, WPARAM wParam, L
return itc->nSelectedIdx;
case ITCM_GETITEMDATA:
- if ((int)wParam < itc->pList.getCount())
+ if ((int)wParam >= 0 && (int)wParam < itc->pList.getCount())
return ((MIcoTab *)itc->pList[wParam])->data;
return 0;