diff --git a/common-src/amutil.c b/common-src/amutil.c
index 864d78f..25d9fca 100644
--- a/common-src/amutil.c
+++ b/common-src/amutil.c
@@ -2096,6 +2096,11 @@ static int get_sse42(void)
 #endif
     return (ecx >> 20) & 1;
 }
+#else
+static int get_sse42(void)
+{
+    return 0;
+}
 #endif
 
 static uint32_t crc_table[16][256];