diff --git a/libs.mk b/libs.mk
index fecc0dab1..560dec26b 100644
--- a/libs.mk
+++ b/libs.mk
@@ -281,17 +281,17 @@ $(filter %$(ASM).o,$(OBJS-yes)): $(BUILD_PFX)vpx_config.asm
 
 ifeq ($(filter icc gcc,$(TGT_CC)), $(TGT_CC))
     $(BUILD_PFX)asm_com_offsets.asm: $(BUILD_PFX)$(VP8_PREFIX)common/asm_com_offsets.c.S
-	grep EQU $< | tr -d '$$\#' $(ADS2GAS) > $@
+	grep -w EQU $< | tr -d '$$\#' $(ADS2GAS) > $@
     $(BUILD_PFX)$(VP8_PREFIX)common/asm_com_offsets.c.S: $(VP8_PREFIX)common/asm_com_offsets.c
     CLEAN-OBJS += $(BUILD_PFX)asm_com_offsets.asm $(BUILD_PFX)$(VP8_PREFIX)common/asm_com_offsets.c.S
 
     $(BUILD_PFX)asm_enc_offsets.asm: $(BUILD_PFX)$(VP8_PREFIX)encoder/asm_enc_offsets.c.S
-	grep EQU $< | tr -d '$$\#' $(ADS2GAS) > $@
+	grep -w EQU $< | tr -d '$$\#' $(ADS2GAS) > $@
     $(BUILD_PFX)$(VP8_PREFIX)encoder/asm_enc_offsets.c.S: $(VP8_PREFIX)encoder/asm_enc_offsets.c
     CLEAN-OBJS += $(BUILD_PFX)asm_enc_offsets.asm $(BUILD_PFX)$(VP8_PREFIX)encoder/asm_enc_offsets.c.S
 
     $(BUILD_PFX)asm_dec_offsets.asm: $(BUILD_PFX)$(VP8_PREFIX)decoder/asm_dec_offsets.c.S
-	grep EQU $< | tr -d '$$\#' $(ADS2GAS) > $@
+	grep -w EQU $< | tr -d '$$\#' $(ADS2GAS) > $@
     $(BUILD_PFX)$(VP8_PREFIX)decoder/asm_dec_offsets.c.S: $(VP8_PREFIX)decoder/asm_dec_offsets.c
     CLEAN-OBJS += $(BUILD_PFX)asm_dec_offsets.asm $(BUILD_PFX)$(VP8_PREFIX)decoder/asm_dec_offsets.c.S
 else