diff --git a/drivers/net/fm10k/base/fm10k_pf.c b/drivers/net/fm10k/base/fm10k_pf.c
index 704ab16dc0..6e6d71ed91 100644
--- a/drivers/net/fm10k/base/fm10k_pf.c
+++ b/drivers/net/fm10k/base/fm10k_pf.c
@@ -1969,8 +1969,8 @@ STATIC s32 fm10k_adjust_systime_pf(struct fm10k_hw *hw, s32 ppb)
 	if (systime_adjust > FM10K_SW_SYSTIME_ADJUST_MASK)
 		return FM10K_ERR_PARAM;
 
-	if (ppb < 0)
-		systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE;
+	if (ppb > 0)
+		systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE;
 
 	FM10K_WRITE_SW_REG(hw, FM10K_SW_SYSTIME_ADJUST, (u32)systime_adjust);
 
diff --git a/drivers/net/fm10k/base/fm10k_type.h b/drivers/net/fm10k/base/fm10k_type.h
index fed8cbe177..39e4d15f4b 100644
--- a/drivers/net/fm10k/base/fm10k_type.h
+++ b/drivers/net/fm10k/base/fm10k_type.h
@@ -486,7 +486,7 @@ struct fm10k_hw;
 #define FM10K_SW_SYSTIME_CFG_ADJUST_MASK	0xFF000000
 #define FM10K_SW_SYSTIME_ADJUST	0x0224D
 #define FM10K_SW_SYSTIME_ADJUST_MASK		0x3FFFFFFF
-#define FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE	0x80000000
+#define FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE	0x80000000
 #define FM10K_SW_SYSTIME_PULSE(_n)	((_n) + 0x02252)
 
 #ifndef ETH_ALEN