diff --git a/deps/refresh.sh b/deps/refresh.sh
new file mode 100755
index 000000000..0c54e0d98
--- /dev/null
+++ b/deps/refresh.sh
@@ -0,0 +1,3 @@
+rm -fR glfw
+git clone https://github.com/glfw/glfw.git
+echo $'deps/glfw\n' >> ../.gitignore
diff --git a/src/main.c b/src/main.c
index a0b622861..6c0795d86 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2585,16 +2585,21 @@ void reset_model() {
 
 int main(int argc, char **argv) {
     // INITIALIZATION //
-    curl_global_init(CURL_GLOBAL_DEFAULT);
+    if (curl_global_init(CURL_GLOBAL_DEFAULT) != 0) {
+        puts("curl_global_init returns error (non-zero)");
+        return -1;
+    }
     srand(time(NULL));
     rand();
 
     // WINDOW INITIALIZATION //
     if (!glfwInit()) {
+        puts("glfwInit returns error");
         return -1;
     }
     create_window();
     if (!g->window) {
+        puts("window not created");
         glfwTerminate();
         return -1;
     }
@@ -2608,6 +2613,7 @@ int main(int argc, char **argv) {
     glfwSetScrollCallback(g->window, on_scroll);
 
     if (glewInit() != GLEW_OK) {
+        puts("glewInit returns error");
         return -1;
     }