diff --git a/package/sirkull/fftw3/fftw3.conf b/package/sirkull/fftw3/fftw3.conf
index 618a0ea80..b2a506e97 100644
--- a/package/sirkull/fftw3/fftw3.conf
+++ b/package/sirkull/fftw3/fftw3.conf
@@ -26,7 +26,8 @@ if [ $arch_machine = i686 -o $arch_machine = i586 -o $arch_machine = i486 -o $ar
 	echo "Enable i386 hacks"
 fi
 
-if [ $ROCKCFG_DEFAULT_CC="gcc40" ]; then
+#if [ $ROCKCFG_DEFAULT_CC="gcc40" ]; then
+if [ "${ROCKCFG_DEFAULT_CC}" == "gcc40" ]; then
 	export F77="/usr/bin/gfortran-40"
 fi