diff --git a/pkgs/development/compilers/xa/dxa.nix b/pkgs/development/compilers/xa/dxa.nix
index e0ff060de8d..03f2d054cc8 100644
--- a/pkgs/development/compilers/xa/dxa.nix
+++ b/pkgs/development/compilers/xa/dxa.nix
@@ -18,9 +18,8 @@ stdenv.mkDerivation rec {
   dontConfigure = true;
 
   postPatch = ''
-    substituteInPlace \
-      --replace "CC = gcc" "CC = cc' \
-        Makefile
+    substituteInPlace Makefile \
+      --replace "CC = gcc" "CC = ${stdenv.cc.targetPrefix}cc"
   '';
 
   installPhase = ''
diff --git a/pkgs/development/compilers/xa/xa.nix b/pkgs/development/compilers/xa/xa.nix
index 163b0bba513..c445940f5cd 100644
--- a/pkgs/development/compilers/xa/xa.nix
+++ b/pkgs/development/compilers/xa/xa.nix
@@ -15,13 +15,12 @@ stdenv.mkDerivation rec {
   dontConfigure = true;
 
   postPatch = ''
-    substitueInPlace \
+    substituteInPlace Makefile \
       --replace "DESTDIR" "PREFIX" \
-      --replace "CC = gcc" "CC = cc" \
-      --replace "LDD = gcc" "LDD = ld" \
+      --replace "CC = gcc" "CC = ${stdenv.cc.targetPrefix}cc" \
+      --replace "LDD = gcc" "LDD = ${stdenv.cc.targetPrefix}cc" \
       --replace "CFLAGS = -O2" "CFLAGS ?=" \
-      --replace "LDFLAGS = -lc" "LDFLAGS ?= -lc" \
-      Makefile
+      --replace "LDFLAGS = -lc" "LDFLAGS ?= -lc"
   '';
 
   makeFlags = [ "PREFIX=${placeholder "out"}" ];