diff --git a/lib/libtcc1.c b/lib/libtcc1.c
index dacee28..bfe683b 100644
--- a/lib/libtcc1.c
+++ b/lib/libtcc1.c
@@ -689,3 +689,14 @@ void __va_end(struct __va_list_struct *ap)
 }
 
 #endif /* __x86_64__ */
+
+/* Flushing for tccrun */
+#if defined(__x86_64__) || defined(__i386__)
+
+void __clear_cache(char *beginning, char *end)
+{
+}
+
+#else
+#warning __clear_cache not defined for this architecture, avoid using tcc -run
+#endif
diff --git a/tccrun.c b/tccrun.c
index 50178a8..174b6c2 100644
--- a/tccrun.c
+++ b/tccrun.c
@@ -225,6 +225,7 @@ static void set_pages_executable(void *ptr, unsigned long length)
     end = (addr_t)ptr + length;
     end = (end + PAGESIZE - 1) & ~(PAGESIZE - 1);
     mprotect((void *)start, end - start, PROT_READ | PROT_WRITE | PROT_EXEC);
+    __clear_cache(ptr, prog_main + length);
 #endif
 }