diff --git a/bsp/stm32f107/SConstruct b/bsp/stm32f107/SConstruct
index f9942ef0c7..63b1130d6a 100644
--- a/bsp/stm32f107/SConstruct
+++ b/bsp/stm32f107/SConstruct
@@ -17,6 +17,7 @@ env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
 
 if rtconfig.PLATFORM == 'iar':
 	env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
+	env.Replace(ARFLAGS = [''])
 	env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET --map project.map'])
 
 Export('RTT_ROOT')
diff --git a/bsp/stm32f107/rtconfig.py b/bsp/stm32f107/rtconfig.py
index d492fd64d9..e3e67b378c 100644
--- a/bsp/stm32f107/rtconfig.py
+++ b/bsp/stm32f107/rtconfig.py
@@ -81,9 +81,9 @@ elif PLATFORM == 'iar':
     LINK = 'ilinkarm'
     TARGET_EXT = 'out'
 
-    DEVICE = ' --cpu DARMSTM --thumb'
+    DEVICE = ' -D USE_STDPERIPH_DRIVER' + ' -D ' + STM32_TYPE
 
-    CFLAGS = ''
+    CFLAGS = DEVICE
     CFLAGS += ' --diag_suppress Pa050'
     CFLAGS += ' --no_cse' 
     CFLAGS += ' --no_unroll' 
@@ -97,9 +97,8 @@ elif PLATFORM == 'iar':
     CFLAGS += ' --cpu=Cortex-M3' 
     CFLAGS += ' -e' 
     CFLAGS += ' --fpu=None'
-    CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/DLib_Config_Normal.h"'    
+    CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/c/DLib_Config_Normal.h"'    
     CFLAGS += ' -Ol'    
-    CFLAGS += ' -I"' + IAR_PATH + '/arm/inc"'
         
     AFLAGS = ''
     AFLAGS += ' -s+' 
@@ -107,11 +106,8 @@ elif PLATFORM == 'iar':
     AFLAGS += ' -r' 
     AFLAGS += ' --cpu Cortex-M3' 
     AFLAGS += ' --fpu None' 
-    AFLAGS += ' -I"' + IAR_PATH + '/arm/INC"'
 
-    LFLAGS = ' --config stm32f10x_flash.icf'
-    LFLAGS += ' --redirect _Printf=_PrintfTiny' 
-    LFLAGS += ' --redirect _Scanf=_ScanfSmall' 
+    LFLAGS = ' --config stm32_rom.icf'
     LFLAGS += ' --entry __iar_program_start'    
 
     EXEC_PATH = IAR_PATH + '/arm/bin/'