diff --git a/builddefs/build_keyboard.mk b/builddefs/build_keyboard.mk
index 499e6ffc69f..8999ac80ad5 100644
--- a/builddefs/build_keyboard.mk
+++ b/builddefs/build_keyboard.mk
@@ -491,16 +491,21 @@ check-size: build
 check-md5: build
 objs-size: build
 
+ifneq ($(strip $(TOP_SYMBOLS)),)
 ifeq ($(strip $(TOP_SYMBOLS)),yes)
+NUM_TOP_SYMBOLS := 10
+else
+NUM_TOP_SYMBOLS := $(strip $(TOP_SYMBOLS))
+endif
 all: top-symbols
 check-size: top-symbols
 top-symbols: build
 	echo "###########################################"
 	echo "# Highest flash usage:"
-	$(NM) -Crtd --size-sort $(BUILD_DIR)/$(TARGET).elf | grep -i ' [t] ' | head -n10 | sed -e 's#^0000000#       #g' -e 's#^000000#      #g' -e 's#^00000#     #g' -e 's#^0000#    #g' -e 's#^000#   #g' -e 's#^00#  #g' -e 's#^0# #g'
+	$(NM) -Crtd --size-sort $(BUILD_DIR)/$(TARGET).elf | grep -i ' [t] ' | head -n$(NUM_TOP_SYMBOLS) | sed -e 's#^0000000#       #g' -e 's#^000000#      #g' -e 's#^00000#     #g' -e 's#^0000#    #g' -e 's#^000#   #g' -e 's#^00#  #g' -e 's#^0# #g'
 	echo "###########################################"
 	echo "# Highest RAM usage:"
-	$(NM) -Crtd --size-sort $(BUILD_DIR)/$(TARGET).elf | grep -i ' [dbv] ' | head -n10 | sed -e 's#^0000000#       #g' -e 's#^000000#      #g' -e 's#^00000#     #g' -e 's#^0000#    #g' -e 's#^000#   #g' -e 's#^00#  #g' -e 's#^0# #g'
+	$(NM) -Crtd --size-sort $(BUILD_DIR)/$(TARGET).elf | grep -i ' [dbv] ' | head -n$(NUM_TOP_SYMBOLS) | sed -e 's#^0000000#       #g' -e 's#^000000#      #g' -e 's#^00000#     #g' -e 's#^0000#    #g' -e 's#^000#   #g' -e 's#^00#  #g' -e 's#^0# #g'
 	echo "###########################################"
 endif