diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp
index e878cf3725c..2c40fcc25d0 100644
--- a/platform/javascript/os_javascript.cpp
+++ b/platform/javascript/os_javascript.cpp
@@ -866,8 +866,11 @@ void OS_JavaScript::process_joypads() {
 	int joy_count = emscripten_get_num_gamepads();
 	for (int i = 0; i < joy_count; i++) {
 		EmscriptenGamepadEvent state;
-		emscripten_get_gamepad_status(i, &state);
-		if (state.connected) {
+		EMSCRIPTEN_RESULT query_result = emscripten_get_gamepad_status(i, &state);
+		// Chromium reserves gamepads slots, so NO_DATA is an expected result.
+		ERR_CONTINUE(query_result != EMSCRIPTEN_RESULT_SUCCESS &&
+					 query_result != EMSCRIPTEN_RESULT_NO_DATA);
+		if (query_result == EMSCRIPTEN_RESULT_SUCCESS && state.connected) {
 
 			int num_buttons = MIN(state.numButtons, 18);
 			int num_axes = MIN(state.numAxes, 8);