diff --git a/compat/win32/trace2_win32_process_info.c b/compat/win32/trace2_win32_process_info.c
index a4e33768f4..438af8f818 100644
--- a/compat/win32/trace2_win32_process_info.c
+++ b/compat/win32/trace2_win32_process_info.c
@@ -3,8 +3,8 @@
 #include "../../repository.h"
 #include "../../trace2.h"
 #include "lazyload.h"
-#include <Psapi.h>
-#include <tlHelp32.h>
+#include <psapi.h>
+#include <tlhelp32.h>
 
 /*
  * An arbitrarily chosen value to limit the size of the ancestor
diff --git a/wrapper.c b/wrapper.c
index 67f5f5dbe1..5dc48e815a 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -17,7 +17,7 @@ static intmax_t count_fsync_hardware_flush;
 #ifdef HAVE_RTLGENRANDOM
 /* This is required to get access to RtlGenRandom. */
 #define SystemFunction036 NTAPI SystemFunction036
-#include <NTSecAPI.h>
+#include <ntsecapi.h>
 #undef SystemFunction036
 #endif