diff --git a/cmake/arch_build.cmake b/cmake/arch_build.cmake
index a120dd8b3..04c44d97a 100644
--- a/cmake/arch_build.cmake
+++ b/cmake/arch_build.cmake
@@ -312,6 +312,7 @@ function(add_cfe_tables TABLE_FQNAME TBL_DEFAULT_SRC_FILES)
             -DOUTPUT_FILE="${TABLE_RULEFILE}"
             -DTABLE_NAME="${TABLE_BASENAME}"
             -DSOURCES="${TBL_SRC}"
+            -DOBJEXT="${CMAKE_C_OUTPUT_EXTENSION}"
             -P "${TABLE_GENSCRIPT}"
           WORKING_DIRECTORY
             ${WORKING_DIRECTORY}
diff --git a/cmake/tables/elf2cfetbl_rules.mk b/cmake/tables/elf2cfetbl_rules.mk
index fa36a6bf0..21e63e84d 100644
--- a/cmake/tables/elf2cfetbl_rules.mk
+++ b/cmake/tables/elf2cfetbl_rules.mk
@@ -1,5 +1,5 @@
 # Rule for traditional CFE table generation via elf2cfetbl
 
-elf/%.o:
+elf/%:
 	@mkdir -pv $(dir $(@))
 	cd $(dir $(@)) && $(AR) x $(abspath $(<)) $(notdir $(@))
diff --git a/cmake/tables/generate_elf_table_rules.cmake b/cmake/tables/generate_elf_table_rules.cmake
index 35068e060..12da18bc7 100644
--- a/cmake/tables/generate_elf_table_rules.cmake
+++ b/cmake/tables/generate_elf_table_rules.cmake
@@ -22,7 +22,7 @@ set(TABLE_RULES)
 foreach(TBL_SRC ${SOURCES})
 
     get_filename_component(DEP_FILE ${TBL_SRC} NAME)
-    set(DEP_FILE "${TMP_DIR}/${DEP_FILE}.o")
+    set(DEP_FILE "${TMP_DIR}/${DEP_FILE}${OBJEXT}")
     string(APPEND TABLE_RULES
         "${DEP_FILE}: ${ARCHIVE_FILE}\n"
         "${TABLE_BINARY}: ${DEP_FILE}\n"