diff --git a/core/Makefile b/core/Makefile
index ffb8893aa5..0baf4d0221 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -316,6 +316,10 @@ build_unix: templates ## build unix port
 build_unix_frozen: templates build_cross ## build unix port with frozen modules
 	$(SCONS) $(UNIX_BUILD_DIR)/trezor-emu-core $(UNIX_PORT_OPTS) TREZOR_EMULATOR_FROZEN=1
 
+build_unix_frozen_debug: templates build_cross ## build unix port with frozen modules and DEBUG (PYOPT="0")
+	$(SCONS) $(UNIX_BUILD_DIR)/trezor-emu-core $(UNIX_PORT_OPTS) TREZOR_EMULATOR_FROZEN=1 \
+		PYOPT=0
+
 build_unix_debug: templates ## build unix port
 	$(SCONS) --max-drift=1 $(UNIX_BUILD_DIR)/trezor-emu-core $(UNIX_PORT_OPTS) \
 		TREZOR_EMULATOR_ASAN=1 TREZOR_EMULATOR_DEBUGGABLE=1