diff --git a/data_from_portwine/scripts/functions_helper b/data_from_portwine/scripts/functions_helper
index 2cf935cf..08e9bbc1 100755
--- a/data_from_portwine/scripts/functions_helper
+++ b/data_from_portwine/scripts/functions_helper
@@ -3455,7 +3455,7 @@ start_portwine () {
                     -e /'dxgi.maxFrameLatency =/c dxgi.maxFrameLatency = 1' \
                     -e /'d3d9.maxFrameLatency =/c d3d9.maxFrameLatency = 1' \
                     -e /'dxgi.syncInterval =/c dxgi.syncInterval = 0' \
-                    -e /'d3d9.presentInterval =/c d3d9.presentInterva = 0' \
+                    -e /'d3d9.presentInterval =/c d3d9.presentInterval = 0' \
                     -e /'dxgi.numBackBuffers =/c dxgi.numBackBuffers = 2' \
                     -e /'d3d9.numBackBuffers =/c d3d9.numBackBuffers = 2' \
                     -e /'d3d9.deviceLossOnFocusLoss =/c d3d9.deviceLossOnFocusLoss = True' \