diff --git a/simd/CMakeLists.txt b/simd/CMakeLists.txt
index 06bbae4..fc2ce99 100755
--- a/simd/CMakeLists.txt
+++ b/simd/CMakeLists.txt
@@ -43,16 +43,19 @@
   set(DEPFILE "")
   set(SIMD_SRC ${CMAKE_CURRENT_SOURCE_DIR}/${file}.asm)
   if(${file} MATCHES col)
-    set(DEPFILE ${SIMD_SRC})
+    set(DEPFILE ${file})
     string(REGEX REPLACE "col" "clr" DEPFILE ${DEPFILE})
+    set(DEPFILE ${CMAKE_CURRENT_SOURCE_DIR}/${DEPFILE}.asm)
   endif()
   if(${file} MATCHES mer)
-    set(DEPFILE ${SIMD_SRC})
+    set(DEPFILE ${file})
     string(REGEX REPLACE "mer" "mrg" DEPFILE ${DEPFILE})
+    set(DEPFILE ${CMAKE_CURRENT_SOURCE_DIR}/${DEPFILE}.asm)
   endif()
   if(${file} MATCHES gra)
-    set(DEPFILE ${SIMD_SRC})
+    set(DEPFILE ${file})
     string(REGEX REPLACE "gra" "gry" DEPFILE ${DEPFILE})
+    set(DEPFILE ${CMAKE_CURRENT_SOURCE_DIR}/${DEPFILE}.asm)
   endif()
   set(SIMD_OBJ ${OBJDIR}/${file}.obj)
   add_custom_command(OUTPUT ${SIMD_OBJ}