diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index a5fbb79..5b124dd 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -16,6 +16,6 @@ jobs:
     - name: apt-update
       run: sudo apt-get update
     - name: apt
-      run: sudo apt-get install mesa-common-dev libxi-dev libglx-dev libxcursor-dev  libxrandr-dev
+      run: sudo apt-get install mesa-common-dev libxi-dev libglx-dev libxcursor-dev  libxrandr-dev libasound2-dev
     - name: make
       run: make
diff --git a/include/PureDOOM.h b/include/PureDOOM.h
index 4ef4547..3d6c0cb 100644
--- a/include/PureDOOM.h
+++ b/include/PureDOOM.h
@@ -7140,8 +7140,14 @@ void doom_gettime_impl(int* sec, int* usec)
     *usec = (int)(system_time.wMilliseconds * 1000);
 #else
     struct timeval tp;
+
+#ifdef __linux__
+    gettimeofday(&tp, NULL);
+#else
     struct timezone tzp;
     gettimeofday(&tp, &tzp);
+#endif
+
     *sec = tp.tv_sec;
     *usec = tp.tv_usec;
 #endif
diff --git a/rgfw_example.c b/rgfw_example.c
index e47c68b..f1f7f52 100644
--- a/rgfw_example.c
+++ b/rgfw_example.c
@@ -207,6 +207,7 @@ void send_midi_msg(uint32_t midi_msg)
     }
 }
 #elif defined(__linux__)
+#define _POSIX_C_SOURCE
 #include <alsa/asoundlib.h>
 static snd_rawmidi_t* midi_out_handle = NULL;