diff --git a/pkgs/tools/security/pinentry-bemenu/default.nix b/pkgs/tools/security/pinentry-bemenu/default.nix
index ed43ee3825979..36fff7d34d5cd 100644
--- a/pkgs/tools/security/pinentry-bemenu/default.nix
+++ b/pkgs/tools/security/pinentry-bemenu/default.nix
@@ -21,5 +21,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ jc ];
     platforms = with platforms; linux;
+    mainProgram = "pinentry-bemenu";
   };
 }
diff --git a/pkgs/tools/security/pinentry-rofi/default.nix b/pkgs/tools/security/pinentry-rofi/default.nix
index a7f92818b8b7c..e0fffff7cedf3 100644
--- a/pkgs/tools/security/pinentry-rofi/default.nix
+++ b/pkgs/tools/security/pinentry-rofi/default.nix
@@ -37,5 +37,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus;
     platforms = platforms.unix;
     maintainers = with maintainers; [ seqizz ];
+    mainProgram = "pinentry-rofi";
   };
 }
diff --git a/pkgs/tools/security/pinentry/mac.nix b/pkgs/tools/security/pinentry/mac.nix
index d824a816dc908..4620aedecc75b 100644
--- a/pkgs/tools/security/pinentry/mac.nix
+++ b/pkgs/tools/security/pinentry/mac.nix
@@ -85,5 +85,6 @@ stdenv.mkDerivation rec {
     license = lib.licenses.gpl2Plus;
     homepage = "https://github.com/GPGTools/pinentry-mac";
     platforms = lib.platforms.darwin;
+    mainProgram = passthru.binaryPath;
   };
 }