diff --git a/tools.h b/tools.h
index 14b4c58..61ebb64 100644
--- a/tools.h
+++ b/tools.h
@@ -41,7 +41,7 @@ char * tool_function_bash(char * command){
     fp = popen(command, "r");
     if (fp == NULL) {
         perror("popen failed");
-        return "Popen failed!";
+        return strdup("Popen failed!");
     }
 
     // Read output in chunks
@@ -52,7 +52,7 @@ char * tool_function_bash(char * command){
             perror("realloc failed");
             free(output);
             pclose(fp);
-            return "Failed to allocate memory!";
+            return strdup("Failed to allocate memory!");
         }
         output = new_output;
         strcpy(output + total_size, buffer);