diff --git a/src/events/SDL_gesture.c b/src/events/SDL_gesture.c
index 66c106678..26732a198 100644
--- a/src/events/SDL_gesture.c
+++ b/src/events/SDL_gesture.c
@@ -189,7 +189,7 @@ static int SDL_AddDollarGesture_one(SDL_GestureTouch* inTouch, SDL_FloatPoint* p
 
 static int SDL_AddDollarGesture(SDL_GestureTouch* inTouch, SDL_FloatPoint* path)
 {
-    int index;
+    int index = -1;
     int i = 0;
     if (inTouch == NULL) {
         if (SDL_numGestureTouches == 0) return -1;