diff --git a/components/inputmethod/iiim/Makefile b/components/inputmethod/iiim/Makefile
index 876f64bd653..2c37771ba66 100644
--- a/components/inputmethod/iiim/Makefile
+++ b/components/inputmethod/iiim/Makefile
@@ -32,10 +32,10 @@ include $(WS_TOP)/make-rules/ips.mk
 
 PATH = /usr/gnu/bin:/usr/bin
 
-CFLAGS.32 =	-fPIC -DPIC -DHAS_IIIM_PROPERTIES=1 -D__EXTENSIONS__ -DHAVE_POSIX_GETPWUID_R
-CFLAGS.64 =	-m64 -fPIC -DPIC -DHAS_IIIM_PROPERTIES=1 -D__EXTENSIONS__ -DHAVE_POSIX_GETPWUID_R
-CXXFLAGS.32 =	-DHAS_IIIM_PROPERTIES=1 -DHAVE_POSIX_GETPWUID_R
-CXXFLAGS.64 =	$(CFLAGS64)
+CFLAGS.32 =	-std=gnu89 -fPIC -DPIC -DHAS_IIIM_PROPERTIES=1 -D__EXTENSIONS__ -DHAVE_POSIX_GETPWUID_R
+CFLAGS.64 =	-std=gnu89 -m64 -fPIC -DPIC -DHAS_IIIM_PROPERTIES=1 -D__EXTENSIONS__ -DHAVE_POSIX_GETPWUID_R
+CXXFLAGS.32 =	-std=c++98 -DHAS_IIIM_PROPERTIES=1 -DHAVE_POSIX_GETPWUID_R
+CXXFLAGS.64 =	-std=c++98 $(CFLAGS64)
 
 MY_LDFLAGS =	-Wl,-zignore -Wl,-zcombreloc -Wl,-Bdirect
 MY_LDFLAGS1 =	$(MY_LDFLAGS) -R/usr/lib/iiim -L/usr/lib/iiim