diff --git a/core/base_rules.mk b/core/base_rules.mk
index 33bc6fd..c892d94 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -141,15 +141,16 @@
 ###########################################################
 # Pick a name for the intermediate and final targets
 ###########################################################
-LOCAL_MODULE_STEM := $(strip $(LOCAL_MODULE_STEM))
-ifeq ($(LOCAL_MODULE_STEM),)
+ifndef LOCAL_MODULE_STEM
   LOCAL_MODULE_STEM := $(LOCAL_MODULE)
 endif
-LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
 
-LOCAL_BUILT_MODULE_STEM := $(strip $(LOCAL_BUILT_MODULE_STEM))
-ifeq ($(LOCAL_BUILT_MODULE_STEM),)
-  LOCAL_BUILT_MODULE_STEM := $(LOCAL_INSTALLED_MODULE_STEM)
+ifndef LOCAL_BUILT_MODULE_STEM
+  LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
+endif
+
+ifndef LOCAL_INSTALLED_MODULE_STEM
+  LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
 endif
 
 # OVERRIDE_BUILT_MODULE_PATH is only allowed to be used by the
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 12344f3..9165255 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -11,6 +11,7 @@
 LOCAL_BUILT_MODULE_STEM:=
 OVERRIDE_BUILT_MODULE_PATH:=
 LOCAL_INSTALLED_MODULE:=
+LOCAL_INSTALLED_MODULE_STEM:=
 LOCAL_UNINSTALLABLE_MODULE:=
 LOCAL_INTERMEDIATE_TARGETS:=
 LOCAL_UNSTRIPPED_PATH:=
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index 6ede57f..7778477 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -26,12 +26,17 @@
 # TODO: This duplicates logic from base_rules.mk because we need to
 #       know its results before base_rules.mk is included.
 #       Consolidate the duplicates.
-LOCAL_MODULE_STEM := $(strip $(LOCAL_MODULE_STEM))
-ifeq ($(LOCAL_MODULE_STEM),)
+ifndef LOCAL_MODULE_STEM
   LOCAL_MODULE_STEM := $(LOCAL_MODULE)
 endif
-LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
-LOCAL_BUILT_MODULE_STEM := $(LOCAL_INSTALLED_MODULE_STEM)
+
+ifndef LOCAL_BUILT_MODULE_STEM
+  LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
+endif
+
+ifndef LOCAL_INSTALLED_MODULE_STEM
+  LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
+endif
 
 # base_rules.make defines $(intermediates), but we need its value
 # before we include base_rules.  Make a guess, and verify that
@@ -90,7 +95,7 @@
 ## Store a copy with symbols for symbolic debugging
 ###########################################################
 symbolic_input := $(compress_output)
-symbolic_output := $(LOCAL_UNSTRIPPED_PATH)/$(LOCAL_BUILT_MODULE_STEM)
+symbolic_output := $(LOCAL_UNSTRIPPED_PATH)/$(LOCAL_INSTALLED_MODULE_STEM)
 $(symbolic_output) : $(symbolic_input) | $(ACP)
 	@echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)