diff --git a/ci/build.yml b/ci/build.yml
index 04249bad3..0fee26b95 100644
--- a/ci/build.yml
+++ b/ci/build.yml
@@ -67,7 +67,7 @@ core unix regular build:
   artifacts:
     name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
     paths:
-    - core/build/unix/micropython
+    - core/build/unix/trezor-emu-core
     - core/src/trezor/res/resources.py
     expire_in: 1 week
 
@@ -78,7 +78,7 @@ core unix frozen regular build:
   artifacts:
     name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
     paths:
-    - core/build/unix/micropython
+    - core/build/unix/trezor-emu-core
     expire_in: 1 week
 
 core unix frozen btconly debug build:
@@ -88,11 +88,11 @@ core unix frozen btconly debug build:
     BITCOIN_ONLY: "1"
   script:
     - nix-shell --run "pipenv run make -C core build_unix_frozen"
-    - mv core/build/unix/micropython core/build/unix/micropython-bitcoinonly
+    - mv core/build/unix/trezor-emu-core core/build/unix/trezor-emu-core-bitcoinonly
   artifacts:
     name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
     paths:
-    - core/build/unix/micropython-bitcoinonly
+    - core/build/unix/trezor-emu-core-bitcoinonly
     expire_in: 1 week
 
 core unix frozen debug build:
@@ -114,7 +114,7 @@ core unix frozen regular darwin:
   script:
     - nix-shell --run "pipenv run make -C core build_unix_frozen"
     - mkdir -p TrezorEmu-$CI_COMMIT_SHORT_SHA.app/Contents/{MacOS,libs}
-    - cp -v core/build/unix/micropython TrezorEmu-$CI_COMMIT_SHORT_SHA.app/Contents/MacOS/TrezorEmu-$CI_COMMIT_SHORT_SHA
+    - cp -v core/build/unix/trezor-emu-core TrezorEmu-$CI_COMMIT_SHORT_SHA.app/Contents/MacOS/TrezorEmu-$CI_COMMIT_SHORT_SHA
     - dylibbundler -of -b -i /usr/lib/system -d TrezorEmu-$CI_COMMIT_SHORT_SHA.app/Contents/libs -x TrezorEmu-$CI_COMMIT_SHORT_SHA.app/Contents/MacOS/TrezorEmu-$CI_COMMIT_SHORT_SHA
     - mv TrezorEmu-$CI_COMMIT_SHORT_SHA.app trezor-emu-regular-macos-$CORE_VERSION-$CI_COMMIT_SHORT_SHA.app
   allow_failure: true
diff --git a/ci/deploy.yml b/ci/deploy.yml
index b790a4b12..629a8d53f 100644
--- a/ci/deploy.yml
+++ b/ci/deploy.yml
@@ -227,7 +227,7 @@ upgrade tests core deploy:
     - "[[ $TAG == '' ]] && echo 'Tag is not core/*: exiting.' && exit 1"
     - DEST=${DEPLOY_PATH}/trezor-emu-$TAG
     - echo "Deploying to $DEST"
-    - rsync --delete -va core/build/unix/micropython "$DEST"
+    - rsync --delete -va core/build/unix/trezor-emu-core "$DEST"
   only:
     - /^core\//
   except:
diff --git a/ci/test.yml b/ci/test.yml
index b91056031..43f9b0482 100644
--- a/ci/test.yml
+++ b/ci/test.yml
@@ -56,7 +56,7 @@ core btconly device test:
   dependencies:
     - core unix frozen btconly debug build
   variables:
-    MICROPYTHON: "build/unix/micropython-bitcoinonly"
+    MICROPYTHON: "build/unix/trezor-emu-core-bitcoinonly"
     TREZOR_PYTEST_SKIP_ALTCOINS: 1
   script:
     - nix-shell --run "pipenv run make -C core test_emu"
@@ -112,9 +112,9 @@ core fido2 test:
   variables:
     TREZOR_PROFILING: 1
   script:
-    - pgrep micropython || true
+    - pgrep trezor-emu-core || true
     - nix-shell --run "pipenv run make -C core test_emu_fido2"
-    - pgrep micropython || true
+    - pgrep trezor-emu-core || true
     - mv core/src/.coverage core/.coverage.test_emu_fido2
   artifacts:
     name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
diff --git a/core/Makefile b/core/Makefile
index 580c5b393..e8cebf71c 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -67,7 +67,7 @@ res: templates ## update resources
 ## emulator commands:
 
 run: ## run unix port
-	cd src ; ../$(UNIX_BUILD_DIR)/micropython
+	cd src ; ../$(UNIX_BUILD_DIR)/trezor-emu-core
 
 emu: ## run emulator
 	$(EMU)
@@ -139,13 +139,13 @@ build_firmware: res build_cross ## build firmware with frozen modules
 	$(SCONS) CFLAGS="$(CFLAGS)" PRODUCTION="$(PRODUCTION)" PYOPT="$(PYOPT)" BITCOIN_ONLY="$(BITCOIN_ONLY)" RDI="$(RDI)" $(FIRMWARE_BUILD_DIR)/firmware.bin
 
 build_unix: res ## build unix port
-	$(SCONS) CFLAGS="$(CFLAGS)" $(UNIX_BUILD_DIR)/micropython $(UNIX_PORT_OPTS) BITCOIN_ONLY="$(BITCOIN_ONLY)"
+	$(SCONS) CFLAGS="$(CFLAGS)" $(UNIX_BUILD_DIR)/trezor-emu-core $(UNIX_PORT_OPTS) BITCOIN_ONLY="$(BITCOIN_ONLY)"
 
 build_unix_frozen: res build_cross ## build unix port with frozen modules
-	$(SCONS) CFLAGS="$(CFLAGS)" $(UNIX_BUILD_DIR)/micropython $(UNIX_PORT_OPTS) PYOPT="$(PYOPT)" BITCOIN_ONLY="$(BITCOIN_ONLY)" TREZOR_EMULATOR_FROZEN=1
+	$(SCONS) CFLAGS="$(CFLAGS)" $(UNIX_BUILD_DIR)/trezor-emu-core $(UNIX_PORT_OPTS) PYOPT="$(PYOPT)" BITCOIN_ONLY="$(BITCOIN_ONLY)" TREZOR_EMULATOR_FROZEN=1
 
 build_unix_debug: res ## build unix port
-	$(SCONS) --max-drift=1 CFLAGS="$(CFLAGS)" $(UNIX_BUILD_DIR)/micropython $(UNIX_PORT_OPTS) TREZOR_EMULATOR_ASAN=1 TREZOR_EMULATOR_DEBUGGABLE=1
+	$(SCONS) --max-drift=1 CFLAGS="$(CFLAGS)" $(UNIX_BUILD_DIR)/trezor-emu-core $(UNIX_PORT_OPTS) TREZOR_EMULATOR_ASAN=1 TREZOR_EMULATOR_DEBUGGABLE=1
 
 build_cross: ## build mpy-cross port
 	$(MAKE) -C vendor/micropython/mpy-cross $(CROSS_PORT_OPTS)
diff --git a/core/SConscript.unix b/core/SConscript.unix
index e06dd8ca8..31ff20c54 100644
--- a/core/SConscript.unix
+++ b/core/SConscript.unix
@@ -565,6 +565,6 @@ if EVERYTHING:
     env.Depends(obj_program, secp256k1_zkp_ecmult_static_context)
 
 program = env.Command(
-    target='micropython',
+    target='trezor-emu-core',
     source=obj_program,
     action='$CC -o $TARGET $SOURCES $_LIBDIRFLAGS $_LIBFLAGS $LINKFLAGS', )
diff --git a/core/emu.py b/core/emu.py
index 542c9edfd..6863aa5f4 100755
--- a/core/emu.py
+++ b/core/emu.py
@@ -22,7 +22,7 @@ except Exception:
 
 
 HERE = Path(__file__).parent.resolve()
-MICROPYTHON = HERE / "build" / "unix" / "micropython"
+MICROPYTHON = HERE / "build" / "unix" / "trezor-emu-core"
 SRC_DIR = HERE / "src"
 
 PROFILING_WRAPPER = HERE / "prof" / "prof.py"
diff --git a/core/emu.sh b/core/emu.sh
index d71c8cf8b..257be963a 100755
--- a/core/emu.sh
+++ b/core/emu.sh
@@ -13,4 +13,4 @@ else
     cd "src${TREZOR_MODEL}"
 fi
 
-../build/unix/micropython -O$PYOPT -X heapsize=20M
+../build/unix/trezor-emu-core -O$PYOPT -X heapsize=20M
diff --git a/core/tests/run_tests.sh b/core/tests/run_tests.sh
index 204eae110..7c3cefe77 100755
--- a/core/tests/run_tests.sh
+++ b/core/tests/run_tests.sh
@@ -3,7 +3,7 @@
 declare -a results
 declare -i passed=0 failed=0 exit_code=0
 declare COLOR_GREEN='\e[32m' COLOR_RED='\e[91m' COLOR_RESET='\e[39m'
-MICROPYTHON="${MICROPYTHON:-../build/unix/micropython -X heapsize=1M}"
+MICROPYTHON="${MICROPYTHON:-../build/unix/trezor-emu-core -X heapsize=1M}"
 
 print_summary() {
     echo
diff --git a/core/tests/run_tests_click_emu.sh b/core/tests/run_tests_click_emu.sh
index 15137eac4..12d3111f4 100755
--- a/core/tests/run_tests_click_emu.sh
+++ b/core/tests/run_tests_click_emu.sh
@@ -3,7 +3,7 @@
 : "${RUN_TEST_EMU:=1}"
 
 CORE_DIR="$(SHELL_SESSION_FILE='' && cd "$( dirname "${BASH_SOURCE[0]}" )/.." >/dev/null 2>&1 && pwd )"
-MICROPYTHON="${MICROPYTHON:-$CORE_DIR/build/unix/micropython}"
+MICROPYTHON="${MICROPYTHON:-$CORE_DIR/build/unix/trezor-emu-core}"
 TREZOR_SRC="${CORE_DIR}/src"
 
 DISABLE_ANIMATION=1
diff --git a/tests/emulators.py b/tests/emulators.py
index d46bdd6ee..cf0717027 100644
--- a/tests/emulators.py
+++ b/tests/emulators.py
@@ -24,7 +24,7 @@ ROOT = Path(__file__).parent.parent.resolve()
 BINDIR = ROOT / "tests" / "emulators"
 
 LOCAL_BUILD_PATHS = {
-    "core": ROOT / "core" / "build" / "unix" / "micropython",
+    "core": ROOT / "core" / "build" / "unix" / "trezor-emu-core",
     "legacy": ROOT / "legacy" / "firmware" / "trezor.elf",
 }