diff --git a/CHANGES b/CHANGES
index 828f29a4..69c3bf8b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -14,6 +14,7 @@ SVN-HEAD
            Convert to linux coding style
            Cleanup and refactoring of the source code
            Don't use the system log when generating a CGI script
+           Disable unit scaling for fan speeds
   sensors-detect: Add nNidia nForce MCP78S SMBus detection
                   Display Super-I/O address even if LD is disabled
                   Differentiate between PC8374L and WPCD377I
diff --git a/prog/sensord/rrd.c b/prog/sensord/rrd.c
index 7e79104c..5f25bd1c 100644
--- a/prog/sensord/rrd.c
+++ b/prog/sensord/rrd.c
@@ -366,7 +366,7 @@ static struct gr graphs[] = {
 		"Fan Speed",
 		"Speed (RPM)",
 		"HOUR:1:HOUR:3:HOUR:3:0:%b %d %H:00",
-		"-s -1d -l 0",
+		"-s -1d -l 0 -X 0",
 		0
 	}, {
 		DataType_voltage,
@@ -393,7 +393,7 @@ static struct gr graphs[] = {
 		"Fan Speed",
 		"Speed (RPM)",
 		"HOUR:6:DAY:1:DAY:1:86400:%a %b %d",
-		"-s -1w -l 0",
+		"-s -1w -l 0 -X 0",
 		0
 	}, {
 		DataType_voltage,