diff --git a/pkgs/development/compilers/gcc/common/configure-flags.nix b/pkgs/development/compilers/gcc/common/configure-flags.nix
index e0a713bc3853..eadc6967acfc 100644
--- a/pkgs/development/compilers/gcc/common/configure-flags.nix
+++ b/pkgs/development/compilers/gcc/common/configure-flags.nix
@@ -27,7 +27,7 @@
 , disableBootstrap ? stdenv.targetPlatform != stdenv.hostPlatform
 }:
 
-assert disableGdbPlugin -> !enablePlugin;
+assert !enablePlugin -> disableGdbPlugin;
 assert langJava -> lib.versionOlder version "7";
 
 # Note [Windows Exception Handling]