diff --git a/app/src/server.c b/app/src/server.c
index 3ad21511..31bf64de 100644
--- a/app/src/server.c
+++ b/app/src/server.c
@@ -93,7 +93,7 @@ static process_t execute_server(const char *serial,
         max_size_string,
         bit_rate_string,
         tunnel_forward ? "true" : "false",
-        crop ? crop : "''",
+        crop ? crop : "-",
         send_frame_meta ? "true" : "false",
     };
     return adb_execute(serial, cmd, sizeof(cmd) / sizeof(cmd[0]));
diff --git a/server/src/main/java/com/genymobile/scrcpy/Server.java b/server/src/main/java/com/genymobile/scrcpy/Server.java
index db06cedb..0dabb69f 100644
--- a/server/src/main/java/com/genymobile/scrcpy/Server.java
+++ b/server/src/main/java/com/genymobile/scrcpy/Server.java
@@ -71,7 +71,7 @@ public final class Server {
     }
 
     private static Rect parseCrop(String crop) {
-        if (crop.isEmpty()) {
+        if ("-".equals(crop)) {
             return null;
         }
         // input format: "width:height:x:y"