diff --git a/ext/openh264/gstopenh264enc.cpp b/ext/openh264/gstopenh264enc.cpp
index 31eb0fdaa5..89a505ed56 100644
--- a/ext/openh264/gstopenh264enc.cpp
+++ b/ext/openh264/gstopenh264enc.cpp
@@ -168,7 +168,7 @@ static void gst_openh264enc_set_rate_control (GstOpenh264Enc * openh264enc,
 #define DEFAULT_BACKGROUND_DETECTION TRUE
 #define DEFAULT_ADAPTIVE_QUANTIZATION TRUE
 #define DEFAULT_SCENE_CHANGE_DETECTION TRUE
-#define DEFAULT_SLICE_MODE      SM_AUTO_SLICE
+#define DEFAULT_SLICE_MODE      SM_FIXEDSLCNUM_SLICE
 #define DEFAULT_NUM_SLICES      1
 
 enum