diff --git a/pkgs/development/compilers/gcc/4.6/builder.sh b/pkgs/development/compilers/gcc/4.6/builder.sh
index 5012c76650f..b596e0edbd7 100644
--- a/pkgs/development/compilers/gcc/4.6/builder.sh
+++ b/pkgs/development/compilers/gcc/4.6/builder.sh
@@ -75,7 +75,7 @@ if test "$noSysDirs" = "1"; then
         fi
     else
         if test -z "$NIX_GCC_CROSS"; then
-            if $system == "armv6l-linux"; then
+            if [ $system == "armv6l-linux" ]; then
                 EXTRA_TARGET_CFLAGS="-mcpu=armv6 -mfpu=vfp -mhard-float -marm $EXTRA_FLAGS"
             else
                 EXTRA_TARGET_CFLAGS="$EXTRA_FLAGS"