diff --git a/src/lib/util/corestr.cpp b/src/lib/util/corestr.cpp
index 586f56c1aa3..9fa0a3990a2 100644
--- a/src/lib/util/corestr.cpp
+++ b/src/lib/util/corestr.cpp
@@ -15,6 +15,7 @@
 #include <memory>
 
 #include <cctype>
+#include <cstdint>
 #include <cstdlib>
 
 
diff --git a/src/osd/modules/sound/sdl_sound.cpp b/src/osd/modules/sound/sdl_sound.cpp
index ba7082312ea..7f4993bea35 100644
--- a/src/osd/modules/sound/sdl_sound.cpp
+++ b/src/osd/modules/sound/sdl_sound.cpp
@@ -21,6 +21,7 @@
 #include <SDL2/SDL.h>
 
 #include <algorithm>
+#include <cmath>
 #include <fstream>
 #include <memory>