diff --git a/pkgs/os-specific/darwin/apple-source-releases/dtrace/default.nix b/pkgs/os-specific/darwin/apple-source-releases/dtrace/default.nix
index 3e7e89642c26..1f13cbef9fc9 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/dtrace/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/dtrace/default.nix
@@ -4,7 +4,9 @@
 appleDerivation {
   nativeBuildInputs = [ xcbuildHook flex bison fixDarwinDylibNames ];
   buildInputs = [ CoreSymbolication darling xnu ];
-  NIX_CFLAGS_COMPILE = "-DCTF_OLD_VERSIONS -DPRIVATE -DYYDEBUG=1 -I${xnu}/Library/Frameworks/System.framework/Headers -Wno-error=implicit-function-declaration";
+  # -fcommon: workaround build failure on -fno-common toolchains:
+  #   duplicate symbol '_kCSRegionMachHeaderName' in: libproc.o dt_module_apple.o
+  NIX_CFLAGS_COMPILE = "-DCTF_OLD_VERSIONS -DPRIVATE -DYYDEBUG=1 -I${xnu}/Library/Frameworks/System.framework/Headers -Wno-error=implicit-function-declaration -fcommon";
   NIX_LDFLAGS = "-L./Products/Release";
   xcbuildFlags = [ "-target" "dtrace_frameworks" "-target" "dtrace" ];