diff --git a/compatibility_matrices/compatibility_matrix.mk b/compatibility_matrices/compatibility_matrix.mk
index 1b6fd3b489..c5fe9770b8 100644
--- a/compatibility_matrices/compatibility_matrix.mk
+++ b/compatibility_matrices/compatibility_matrix.mk
@@ -32,7 +32,7 @@
 #       assemble_vintf invocation. Format is "VINTF_ENFORCE_NO_UNUSED_HALS=true".
 # LOCAL_ASSEMBLE_VINTF_FLAGS: Add additional command line arguments to assemble_vintf invocation.
 # LOCAL_KERNEL_CONFIG_DATA_PATHS: Paths to search for kernel config requirements. Format for each is
-#       <kernel version x.y.z>:<path that contains android-base*.cfg>.
+#       <kernel version x.y.z>:<path that contains android-base*.config>.
 # LOCAL_GEN_FILE_DEPENDENCIES: A list of additional dependencies for the generated file.
 
 ifndef LOCAL_MODULE
@@ -80,10 +80,10 @@ endif # LOCAL_ADD_VBMETA_VERSION
 ifneq (,$(strip $(LOCAL_KERNEL_CONFIG_DATA_PATHS)))
 $(GEN): PRIVATE_KERNEL_CONFIG_DATA_PATHS := $(LOCAL_KERNEL_CONFIG_DATA_PATHS)
 $(GEN): $(foreach pair,$(PRIVATE_KERNEL_CONFIG_DATA_PATHS),\
-    $(wildcard $(call word-colon,2,$(pair))/android-base*.cfg))
+    $(wildcard $(call word-colon,2,$(pair))/android-base*.config))
 $(GEN): PRIVATE_FLAGS += $(foreach pair,$(PRIVATE_KERNEL_CONFIG_DATA_PATHS),\
 	--kernel=$(call word-colon,1,$(pair)):$(call normalize-path-list,\
-		$(wildcard $(call word-colon,2,$(pair))/android-base*.cfg)))
+		$(wildcard $(call word-colon,2,$(pair))/android-base*.config)))
 endif
 
 my_matrix_src_files := \