diff --git a/gmp.spec b/gmp.spec
index 39256addf1f229499ed76eadfdbd3be29f9ce630..bf710bd035d45de813afac126126da551a9e8786 100644
--- a/gmp.spec
+++ b/gmp.spec
@@ -38,7 +38,7 @@ GMP dependent library for C++ applications.
 %build
 autoreconf -ifv
 if as --help | grep -q execstack; then
-  export CCAS="gcc -c -Wa,--noexecstack"
+  export CCAS="${CC} -c -Wa,--noexecstack"
 fi
 
 %ifarch %{ix86}