diff --git a/src/sim65/peripherals.c b/src/sim65/peripherals.c
index c7b465872..7d0df91bc 100644
--- a/src/sim65/peripherals.c
+++ b/src/sim65/peripherals.c
@@ -67,10 +67,10 @@ void PeripheralsWriteByte (uint8_t Addr, uint8_t Val)
 
 #if defined(__MINGW64__)
             /* We check for MINGW64 before MINGW32, since MINGW64 also defines __MINGW32__. */
-            /* does timespec_get work? */
+            /* Using timespec_get() in the MinGW64 compiler makes the Linux workflow build fail. */
             bool time_valid = timespec_get(&ts, TIME_UTC) == TIME_UTC;
             /* does clock_gettime work? */
-            bool time_valid = false;
+            //bool time_valid = false;
 #elif defined(__MINGW32__)
             /* does timespec_get work? */
             /* does clock_gettime work? */