diff --git a/toolchain_IARARM.cmake b/toolchain_IARARM.cmake
index 41e8502..002bdb4 100644
--- a/toolchain_IARARM.cmake
+++ b/toolchain_IARARM.cmake
@@ -98,12 +98,12 @@
     # Can't use the highest optimization with IAR on v8.1m arch because of the
     # compilation bug in mbedcrypto
     if ((CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "9.20") AND
-        (CMAKE_C_COMPILER_VERSION VERSION_LESS_EQUAL "9.32") AND
+        (CMAKE_C_COMPILER_VERSION VERSION_LESS_EQUAL "9.32.1") AND
         ((TFM_SYSTEM_PROCESSOR STREQUAL "cortex-m85") OR
          (TFM_SYSTEM_PROCESSOR STREQUAL "cortex-m55")) AND
-        (CMAKE_BUILD_TYPE STREQUAL "Release"))
-        message(FATAL_ERROR "Release build isn't available for M55 and M85"
-                " cores with IAR version between 9.20 and 9.32.")
+        (NOT (CMAKE_BUILD_TYPE STREQUAL "Debug")))
+        message(FATAL_ERROR "Only debug build available for M55 and M85"
+                " cores with IAR version between 9.20 and 9.32.1")
     endif()
 
 endmacro()