diff --git a/rdrand.cpp b/rdrand.cpp
index fec720c0..45f591a6 100644
--- a/rdrand.cpp
+++ b/rdrand.cpp
@@ -105,7 +105,7 @@
 #  elif CRYPTOPP_BOOL_RDRAND_ASM
 #    define GCC_RDRAND_ASM_AVAILABLE 1
 #  endif
-#  if GCC_INTRIN_COMPILER && defined(__RDSEED__) && (__SUNPRO_CC >= 0x5150)
+#  if GCC_INTRIN_COMPILER && defined(__RDSEED__) && (__SUNPRO_CC >= 0x5140)
 #    define ALL_RDSEED_INTRIN_AVAILABLE 1
 #  elif CRYPTOPP_BOOL_RDSEED_ASM
 #    define GCC_RDSEED_ASM_AVAILABLE 1