diff --git a/jwm/src/place.c b/jwm/src/place.c

index 17358d1..e03a07a 100644

--- a/jwm/src/place.c

+++ b/jwm/src/place.c

@@ -622,7 +622,7 @@ void GetGravityDelta(const ClientNode *np, int *x, int  *y) {

 /** Move the window in the specified direction for reparenting. */

 void GravitateClient(ClientNode *np, int negate) {

-   int deltax, deltay;

+   int deltax = 0, deltay = 0;

    Assert(np);