diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0ffaf983..0b9ed0952 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -554,7 +554,7 @@ endif()
 function(unpack_db db_bzip2_file)
     get_filename_component(__fname ${db_bzip2_file} NAME_WLE)
     add_custom_command(OUTPUT ${KERNELS_BINARY_DIR}/${__fname}
-                       COMMAND ${UNZIPPER} -dc -k ${db_bzip2_file} > ${KERNELS_BINARY_DIR}/${__fname})
+                       COMMAND test -e ${KERNELS_BINARY_DIR}/${__fname} || ${UNZIPPER} -dc -k ${db_bzip2_file} > ${KERNELS_BINARY_DIR}/${__fname})
     string(REPLACE "." "_" __tname ${__fname})
     add_custom_target(generate_${__tname} ALL DEPENDS ${KERNELS_BINARY_DIR}/${__fname})
 
@@ -563,7 +563,7 @@ function(unpack_db db_bzip2_file)
     if(NOT MIOPEN_USE_SQLITE_PERFDB AND __extension STREQUAL ".db")
         add_custom_command(OUTPUT ${KERNELS_BINARY_DIR}/${__fname}.txt
                            DEPENDS sqlite2txt generate_${__tname}
-                           COMMAND $<TARGET_FILE:sqlite2txt> ${KERNELS_BINARY_DIR}/${__fname} ${KERNELS_BINARY_DIR}/${__fname}.txt
+                           COMMAND test -e ${KERNELS_BINARY_DIR}/${__fname}.txt || $<TARGET_FILE:sqlite2txt> ${KERNELS_BINARY_DIR}/${__fname} ${KERNELS_BINARY_DIR}/${__fname}.txt
         )
         add_custom_target(generate_${__tname}_txt ALL DEPENDS ${KERNELS_BINARY_DIR}/${__fname}.txt)
         add_dependencies(generate_kernels generate_${__tname}_txt)