--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -365,14 +365,17 @@
         }
     }
 
-    if (mmotion)
-    {
-        if (logicInputFrame == 0)
-            rmx = rmy = 0;
+    // Set the ev.relmouse* members even if the mouse hasn't moved.
+    // Shooting causing a move based on those values, even if playing
+    // with the keyboard only.
+    if (logicInputFrame == 0)
+        rmx = rmy = 0;
 
-        ev.relmouseX = rmx;
-        ev.relmouseY = rmy;
+    ev.relmouseX = rmx;
+    ev.relmouseY = rmy;
 
+    if (mmotion)
+    {
         ev.mouseX = (double)mmx / (double)surface->w;
         ev.mouseY = (double)mmy / (double)surface->h;