diff --git a/Dockerfile b/Dockerfile
index 8ec9f4b69..057e6d89d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -65,6 +65,7 @@ ARG WITH_LIBWEBSOCKETS='v\d+(\.\d+)+'
 ARG FREERDP_ARM_OPTS=""
 
 ARG FREERDP_OPTS="\
+    -DCMAKE_BUILD_TYPE=Release \
     -DBUILTIN_CHANNELS=OFF \
     -DCHANNEL_URBDRC=OFF \
     -DWITH_ALSA=OFF \