diff --git a/src/tests/add-ons/kernel/file_systems/fs_shell/fs_shell_command.cpp b/src/tests/add-ons/kernel/file_systems/fs_shell/fs_shell_command.cpp
index e75922ab37..e97e607d5a 100644
--- a/src/tests/add-ons/kernel/file_systems/fs_shell/fs_shell_command.cpp
+++ b/src/tests/add-ons/kernel/file_systems/fs_shell/fs_shell_command.cpp
@@ -34,7 +34,7 @@ prepare_command_string(const char *const *argv, int argc, char *buffer,
 			add_char(buffer, bufferSize, ' ');
 
 		while (*arg) {
-			if (strchr("", *arg))
+			if (strchr(" ", *arg))
 				add_char(buffer, bufferSize, '\\');
 			add_char(buffer, bufferSize, *arg);
 			arg++;